121,520 in words
121,520
one hundred twenty-one thousand five hundred twenty
121,520 is written one hundred twenty-one thousand five hundred twenty.
Ways to write it
- As an ordinal
- one hundred twenty-one thousand five hundred twentieth
- Expanded form
- 100,000 + 20,000 + 1,000 + 500 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 5 | 500 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 60 factors: too many to list
- First 10 multiples
- 121,520, 243,040, 364,560, 486,080, 607,600, 729,120, 850,640, 972,160, 1,093,680, 1,215,200
- Square
- 121,520 × 121,520 = 14,767,110,400
- Square root
- ≈ 348.60
- Sum of the digits
- 1 + 2 + 1 + 5 + 2 + 0 = 11
- Rounded to the nearest 10
- 121,520
- Rounded to the nearest 100
- 121,500
- Rounded to the nearest 1000
- 122,000
- Number before
- 121,519
- Number after
- 121,521
- In binary
11101101010110000
Quick check
What number comes just after 121,520?
Show the answer
121,521
Is 121,520 even or odd?
Show the answer
Even
What is 121,520 + 10?
Show the answer
121,530
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 121,520 in words?
121,520 is written "one hundred twenty-one thousand five hundred twenty".
Is 121,520 a prime number?
No. 121,520 is a composite number, because it has more than two factors.