122827128 has 16 divisors (see below), whose sum is σ = 307067880. Its totient is φ = 40942368.

The previous prime is 122827079. The next prime is 122827141. The reversal of 122827128 is 821728221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558875 + ... + 2558922.

Almost surely, 2^122827128 is an apocalyptic number.

It is an amenable number.

122827128 is an abundant number, since it is smaller than the sum of its proper divisors (184240752).

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

122827128 is a wasteful number, since it uses less digits than its factorization.

122827128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117806 (or 5117802 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 122827128 is about 11082.7400943990. The cubic root of 122827128 is about 497.0858862107.

The spelling of 122827128 in words is "one hundred twenty-two million, eight hundred twenty-seven thousand, one hundred twenty-eight".