122,121 in words
122,121
one hundred twenty-two thousand one hundred twenty-one
122,121 is written one hundred twenty-two thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- one hundred twenty-two thousand one hundred twenty-first
- Expanded form
- 100,000 + 20,000 + 2,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 27, 4,523, 13,569, 40,707 and 122,121 (8 factors)
- First 10 multiples
- 122,121, 244,242, 366,363, 488,484, 610,605, 732,726, 854,847, 976,968, 1,099,089, 1,221,210
- Square
- 122,121 × 122,121 = 14,913,538,641
- Square root
- ≈ 349.46
- Sum of the digits
- 1 + 2 + 2 + 1 + 2 + 1 = 9
- Rounded to the nearest 10
- 122,120
- Rounded to the nearest 100
- 122,100
- Rounded to the nearest 1000
- 122,000
- Number before
- 122,120
- Number after
- 122,122
- In binary
11101110100001001
Quick check
What number comes just after 122,121?
Show the answer
122,122
Is 122,121 even or odd?
Show the answer
Odd
What is 122,121 + 10?
Show the answer
122,131
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 122,121 in words?
122,121 is written "one hundred twenty-two thousand one hundred twenty-one".
Is 122,121 a prime number?
No. 122,121 is a composite number, because it has more than two factors.
What are the factors of 122,121?
The factors of 122,121 are 1, 3, 9, 27, 4,523, 13,569, 40,707 and 122,121.