123,240 in words
123,240
one hundred twenty-three thousand two hundred forty
123,240 is written one hundred twenty-three thousand two hundred forty.
Ways to write it
- As an ordinal
- one hundred twenty-three thousand two hundred fortieth
- Expanded form
- 100,000 + 20,000 + 3,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 64 factors: too many to list
- First 10 multiples
- 123,240, 246,480, 369,720, 492,960, 616,200, 739,440, 862,680, 985,920, 1,109,160, 1,232,400
- Square
- 123,240 × 123,240 = 15,188,097,600
- Square root
- ≈ 351.06
- Sum of the digits
- 1 + 2 + 3 + 2 + 4 + 0 = 12
- Rounded to the nearest 10
- 123,240
- Rounded to the nearest 100
- 123,200
- Rounded to the nearest 1000
- 123,000
- Number before
- 123,239
- Number after
- 123,241
- In binary
11110000101101000
Quick check
What number comes just after 123,240?
Show the answer
123,241
Is 123,240 even or odd?
Show the answer
Even
What is 123,240 + 10?
Show the answer
123,250
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 123,240 in words?
123,240 is written "one hundred twenty-three thousand two hundred forty".
Is 123,240 a prime number?
No. 123,240 is a composite number, because it has more than two factors.