122825478 has 16 divisors (see below), whose sum is σ = 246089520. Its totient is φ = 40868736.

The previous prime is 122825467. The next prime is 122825489. The reversal of 122825478 is 874528221.

It is an interprime number because it is at equal distance from previous prime (122825467) and next prime (122825489).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14575 + ... + 21402.

It is an arithmetic number, because the mean of its divisors is an integer number (15380595).

Almost surely, 2^122825478 is an apocalyptic number.

122825478 is an abundant number, since it is smaller than the sum of its proper divisors (123264042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122825478 is a wasteful number, since it uses less digits than its factorization.

122825478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36551.

The product of its digits is 71680, while the sum is 39.

The square root of 122825478 is about 11082.6656540744. The cubic root of 122825478 is about 497.0836603306.

The spelling of 122825478 in words is "one hundred twenty-two million, eight hundred twenty-five thousand, four hundred seventy-eight".