121,001 in words
121,001
one hundred twenty-one thousand one
121,001 is written one hundred twenty-one thousand one.
Ways to write it
- As an ordinal
- one hundred twenty-one thousand first
- Expanded form
- 100,000 + 20,000 + 1,000 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 121,001 (2 factors)
- First 10 multiples
- 121,001, 242,002, 363,003, 484,004, 605,005, 726,006, 847,007, 968,008, 1,089,009, 1,210,010
- Square
- 121,001 × 121,001 = 14,641,242,001
- Square root
- ≈ 347.85
- Sum of the digits
- 1 + 2 + 1 + 0 + 0 + 1 = 5
- Rounded to the nearest 10
- 121,000
- Rounded to the nearest 100
- 121,000
- Rounded to the nearest 1000
- 121,000
- Number before
- 121,000
- Number after
- 121,002
- In binary
11101100010101001
Quick check
What number comes just after 121,001?
Show the answer
121,002
Is 121,001 even or odd?
Show the answer
Odd
What is 121,001 + 10?
Show the answer
121,011
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 121,001 in words?
121,001 is written "one hundred twenty-one thousand one".
Is 121,001 a prime number?
Yes. 121,001 is a prime number: its only factors are 1 and 121,001.
What are the factors of 121,001?
The factors of 121,001 are 1 and 121,001.