Sign inBook a free assessment

Country and language

Country and language: United Kingdom

Country and language

997,121 in words

997,121

nine hundred and ninety-seven thousand one hundred and twenty-one

997,121 is written nine hundred and ninety-seven thousand one hundred and twenty-one.

Ways to write it

As an ordinal
nine hundred and ninety-seven thousand one hundred and twenty-first
Expanded form
900,000 + 90,000 + 7,000 + 100 + 20 + 1

Place value

PlaceDigitValue
hundred thousands9900,000
ten thousands990,000
thousands77,000
hundreds1100
tens220
ones11

Number facts

Even or odd
Odd
Prime or composite
Prime
Factors
1 and 997,121 (2 factors)
First 10 multiples
997,121, 1,994,242, 2,991,363, 3,988,484, 4,985,605, 5,982,726, 6,979,847, 7,976,968, 8,974,089, 9,971,210
Square
997,121 × 997,121 = 994,250,288,641
Square root
≈ 998.56
Sum of the digits
9 + 9 + 7 + 1 + 2 + 1 = 29
Rounded to the nearest 10
997,120
Rounded to the nearest 100
997,100
Rounded to the nearest 1000
997,000
Number before
997,120
Number after
997,122
In binary
11110011011100000001

Quick check

  1. What number comes just after 997,121?

    Show the answer

    997,122

  2. Is 997,121 even or odd?

    Show the answer

    Odd

  3. What is 997,121 + 10?

    Show the answer

    997,131

Practise with a game

Frequently asked questions

How do you write 997,121 in words?

997,121 is written "nine hundred and ninety-seven thousand one hundred and twenty-one".

Is 997,121 a prime number?

Yes. 997,121 is a prime number: its only factors are 1 and 997,121.

What are the factors of 997,121?

The factors of 997,121 are 1 and 997,121.