122808028 has 48 divisors (see below), whose sum is σ = 253209600. Its totient is φ = 51030720.

The previous prime is 122808013. The next prime is 122808047. The reversal of 122808028 is 820808221.

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, 130038 + ... + 130978.

It is an arithmetic number, because the mean of its divisors is an integer number (5275200).

Almost surely, 2^122808028 is an apocalyptic number.

It is an amenable number.

122808028 is an abundant number, since it is smaller than the sum of its proper divisors (130401572).

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

122808028 is a wasteful number, since it uses less digits than its factorization.

122808028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 122808028 is about 11081.8783606390. The cubic root of 122808028 is about 497.0601187418.

The spelling of 122808028 in words is "one hundred twenty-two million, eight hundred eight thousand, twenty-eight".