7,20,121 in words
7,20,121
seven lakh twenty thousand one hundred and twenty-one
7,20,121 is written seven lakh twenty thousand one hundred and twenty-one.
Ways to write it
- International system
- seven hundred and twenty thousand one hundred and twenty-one
- Indian system
- seven lakh twenty thousand one hundred and twenty-one
- As an ordinal
- seven lakh twenty thousand one hundred and twenty-first
- Expanded form
- 7,00,000 + 20,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 7 | 7,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 43, 16,747 and 7,20,121 (4 factors)
- First 10 multiples
- 7,20,121, 14,40,242, 21,60,363, 28,80,484, 36,00,605, 43,20,726, 50,40,847, 57,60,968, 64,81,089, 72,01,210
- Square
- 7,20,121 × 7,20,121 = 5,18,57,42,54,641
- Square root
- ≈ 848.60
- Sum of the digits
- 7 + 2 + 0 + 1 + 2 + 1 = 13
- Rounded to the nearest 10
- 7,20,120
- Rounded to the nearest 100
- 7,20,100
- Rounded to the nearest 1000
- 7,20,000
- Number before
- 7,20,120
- Number after
- 7,20,122
- In binary
10101111110011111001
Quick check
What number comes just after 7,20,121?
Show the answer
7,20,122
Is 7,20,121 even or odd?
Show the answer
Odd
What is 7,20,121 + 10?
Show the answer
7,20,131
Practise with a game
Factors, Multiples & Primes
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Number Patterns
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How do you write 7,20,121 in words?
7,20,121 is written "seven lakh twenty thousand one hundred and twenty-one".
Is 7,20,121 a prime number?
No. 7,20,121 is a composite number, because it has more than two factors.
What are the factors of 7,20,121?
The factors of 7,20,121 are 1, 43, 16,747 and 7,20,121.