122965893 has 6 divisors (see below), whose sum is σ = 177617414. Its totient is φ = 81977256.

The previous prime is 122965877. The next prime is 122965903. The reversal of 122965893 is 398569221.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 59954049 = 7938^2 + 7743^2 .

It is not a de Polignac number, because 122965893 - 2⁴ = 122965877 is a prime.

It is a super-2 number, since 2×122965893² = 30241221682574898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122965993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6831430 + ... + 6831447.

Almost surely, 2^122965893 is an apocalyptic number.

It is an amenable number.

122965893 is a deficient number, since it is larger than the sum of its proper divisors (54651521).

122965893 is a wasteful number, since it uses less digits than its factorization.

122965893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13662883 (or 13662880 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 122965893 is about 11088.9987374875. The cubic root of 122965893 is about 497.2730114390.

The spelling of 122965893 in words is "one hundred twenty-two million, nine hundred sixty-five thousand, eight hundred ninety-three".