Square Root Calculator › Square root of 123
Square Root of 123
√123 ≈ 11.090537
123 is not a perfect square, so √123 is an irrational number that is approximately 11.090537. In simplified radical form, √123 = √123.
√123 lies between √121 = 11 and √144 = 12.
| Number | 123 |
| Square root (decimal) | 11.090537 |
| Simplified radical | √123 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 123 a perfect square?
No, 123 is not a perfect square, so its square root is irrational and approximately 11.090537.
What is the square root of 123 in simplest radical form?
√123 = √123 in simplest radical form.