122925169 has 2 divisors, whose sum is σ = 122925170. Its totient is φ = 122925168.

The previous prime is 122925161. The next prime is 122925203. The reversal of 122925169 is 961529221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122921569 + 3600 = 11087^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 122925169 - 2³ = 122925161 is a prime.

It is a super-2 number, since 2×122925169² = 30221194347357122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122925161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61462584 + 61462585.

It is an arithmetic number, because the mean of its divisors is an integer number (61462585).

Almost surely, 2^122925169 is an apocalyptic number.

It is an amenable number.

122925169 is a deficient number, since it is larger than the sum of its proper divisors (1).

122925169 is an equidigital number, since it uses as much as digits as its factorization.

122925169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 37.

The square root of 122925169 is about 11087.1623511158. The cubic root of 122925169 is about 497.2181095427.

The spelling of 122925169 in words is "one hundred twenty-two million, nine hundred twenty-five thousand, one hundred sixty-nine".