√122 ≈ 11.0454
√122 is an irrational number, so its decimals never end or repeat. It sits between 11 and 12 because 11² = 121 and 12² = 144.
| Decimal places | Value |
|---|---|
| 0 | 11 |
| 1 | 11.0 |
| 2 | 11.05 |
| 3 | 11.045 |
| 4 | 11.0454 |
| 5 | 11.04536 |
| 10 (digits) | 11.0453610172 |
122 has no perfect-square factor other than 1, so √122 is already in simplest radical form.
11.0454 × 11.0454 ≈ 122.0009, which is very close to 122.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 118 | 10.8628 |
| 119 | 10.9087 |
| 120 | 10.9545 |
| 121 | 11 |
| 123 | 11.0905 |
| 124 | 11.1355 |
| 125 | 11.1803 |
| 126 | 11.2250 |