122068157 has 2 divisors, whose sum is σ = 122068158. Its totient is φ = 122068156.

The previous prime is 122068151. The next prime is 122068181. The reversal of 122068157 is 751860221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106275481 + 15792676 = 10309^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 122068157 - 2¹⁴ = 122051773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122068151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61034078 + 61034079.

It is an arithmetic number, because the mean of its divisors is an integer number (61034079).

Almost surely, 2^122068157 is an apocalyptic number.

It is an amenable number.

122068157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122068157 is an equidigital number, since it uses as much as digits as its factorization.

122068157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 122068157 is about 11048.4459088145. The cubic root of 122068157 is about 496.0599089209.

The spelling of 122068157 in words is "one hundred twenty-two million, sixty-eight thousand, one hundred fifty-seven".