122974951 has 16 divisors (see below), whose sum is σ = 141458688. Its totient is φ = 105811200.

The previous prime is 122974933. The next prime is 122974961. The reversal of 122974951 is 159479221.

It is a happy number.

It is not a de Polignac number, because 122974951 - 2⁷ = 122974823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122974921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22036 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (8841168).

Almost surely, 2^122974951 is an apocalyptic number.

122974951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122974951 is a deficient number, since it is larger than the sum of its proper divisors (18483737).

122974951 is a wasteful number, since it uses less digits than its factorization.

122974951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142.

The product of its digits is 45360, while the sum is 40.

The square root of 122974951 is about 11089.4071527742. The cubic root of 122974951 is about 497.2852212972.

The spelling of 122974951 in words is "one hundred twenty-two million, nine hundred seventy-four thousand, nine hundred fifty-one".