122578875 has 24 divisors (see below), whose sum is σ = 220970880. Its totient is φ = 65374800.

The previous prime is 122578847. The next prime is 122578909. The reversal of 122578875 is 578875221.

122578875 is a `hidden beast` number, since 1 + 2 + 2 + 578 + 8 + 75 = 666.

It is not a de Polignac number, because 122578875 - 2⁵ = 122578843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122578875.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53355 + ... + 55604.

It is an arithmetic number, because the mean of its divisors is an integer number (9207120).

Almost surely, 2^122578875 is an apocalyptic number.

122578875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122578875 is a deficient number, since it is larger than the sum of its proper divisors (98392005).

122578875 is a wasteful number, since it uses less digits than its factorization.

122578875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108980 (or 108967 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 122578875 is about 11071.5344464984. The cubic root of 122578875 is about 496.7507640028.

The spelling of 122578875 in words is "one hundred twenty-two million, five hundred seventy-eight thousand, eight hundred seventy-five".