1,20,121 in words
1,20,121
one lakh twenty thousand one hundred and twenty-one
1,20,121 is written one lakh twenty thousand one hundred and twenty-one.
Ways to write it
- International system
- one hundred and twenty thousand one hundred and twenty-one
- Indian system
- one lakh twenty thousand one hundred and twenty-one
- As an ordinal
- one lakh twenty thousand one hundred and twenty-first
- Expanded form
- 1,00,000 + 20,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 1 | 1,00,000 |
| 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
- Prime
- Factors
- 1 and 1,20,121 (2 factors)
- First 10 multiples
- 1,20,121, 2,40,242, 3,60,363, 4,80,484, 6,00,605, 7,20,726, 8,40,847, 9,60,968, 10,81,089, 12,01,210
- Square
- 1,20,121 × 1,20,121 = 14,42,90,54,641
- Square root
- ≈ 346.58
- Sum of the digits
- 1 + 2 + 0 + 1 + 2 + 1 = 7
- Rounded to the nearest 10
- 1,20,120
- Rounded to the nearest 100
- 1,20,100
- Rounded to the nearest 1000
- 1,20,000
- Number before
- 1,20,120
- Number after
- 1,20,122
- In binary
11101010100111001
Quick check
What number comes just after 1,20,121?
Show the answer
1,20,122
Is 1,20,121 even or odd?
Show the answer
Odd
What is 1,20,121 + 10?
Show the answer
1,20,131
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 1,20,121 in words?
1,20,121 is written "one lakh twenty thousand one hundred and twenty-one".
Is 1,20,121 a prime number?
Yes. 1,20,121 is a prime number: its only factors are 1 and 1,20,121.
What are the factors of 1,20,121?
The factors of 1,20,121 are 1 and 1,20,121.