122756685 has 16 divisors (see below), whose sum is σ = 197433024. Its totient is φ = 65129472.

The previous prime is 122756659. The next prime is 122756693. The reversal of 122756685 is 586657221.

It is not a de Polignac number, because 122756685 - 2⁸ = 122756429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18307 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (12339564).

Almost surely, 2^122756685 is an apocalyptic number.

122756685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122756685 is a deficient number, since it is larger than the sum of its proper divisors (74676339).

122756685 is a wasteful number, since it uses less digits than its factorization.

122756685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42604.

The product of its digits is 201600, while the sum is 42.

The square root of 122756685 is about 11079.5615887994. The cubic root of 122756685 is about 496.9908395711.

The spelling of 122756685 in words is "one hundred twenty-two million, seven hundred fifty-six thousand, six hundred eighty-five".