1,21,007 in words
1,21,007
one lakh twenty-one thousand and seven
1,21,007 is written one lakh twenty-one thousand and seven.
Ways to write it
- International system
- one hundred and twenty-one thousand and seven
- Indian system
- one lakh twenty-one thousand and seven
- As an ordinal
- one lakh twenty-one thousand and seventh
- Expanded form
- 1,00,000 + 20,000 + 1,000 + 7
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 1 | 1,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 7 | 7 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 1,21,007 (2 factors)
- First 10 multiples
- 1,21,007, 2,42,014, 3,63,021, 4,84,028, 6,05,035, 7,26,042, 8,47,049, 9,68,056, 10,89,063, 12,10,070
- Square
- 1,21,007 × 1,21,007 = 14,64,26,94,049
- Square root
- ≈ 347.86
- Sum of the digits
- 1 + 2 + 1 + 0 + 0 + 7 = 11
- Rounded to the nearest 10
- 1,21,010
- Rounded to the nearest 100
- 1,21,000
- Rounded to the nearest 1000
- 1,21,000
- Number before
- 1,21,006
- Number after
- 1,21,008
- In binary
11101100010101111
Quick check
What number comes just after 1,21,007?
Show the answer
1,21,008
Is 1,21,007 even or odd?
Show the answer
Odd
What is 1,21,007 + 10?
Show the answer
1,21,017
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 1,21,007 in words?
1,21,007 is written "one lakh twenty-one thousand and seven".
Is 1,21,007 a prime number?
Yes. 1,21,007 is a prime number: its only factors are 1 and 1,21,007.
What are the factors of 1,21,007?
The factors of 1,21,007 are 1 and 1,21,007.