122723885 has 16 divisors (see below), whose sum is σ = 154897920. Its totient is φ = 93213120.

The previous prime is 122723879. The next prime is 122723899. The reversal of 122723885 is 588327221.

It is a de Polignac number, because none of the positive numbers 2^k-122723885 is a prime.

It is a super-2 number, since 2×122723885² = 30122303898986450, which contains 22 as substring.

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, 746 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (9681120).

Almost surely, 2^122723885 is an apocalyptic number.

It is an amenable number.

122723885 is a deficient number, since it is larger than the sum of its proper divisors (32174035).

122723885 is a wasteful number, since it uses less digits than its factorization.

122723885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028.

The product of its digits is 53760, while the sum is 38.

The square root of 122723885 is about 11078.0812869377. The cubic root of 122723885 is about 496.9465711018.

The spelling of 122723885 in words is "one hundred twenty-two million, seven hundred twenty-three thousand, eight hundred eighty-five".