128056008 has 16 divisors (see below), whose sum is σ = 320140080. Its totient is φ = 42685328.

The previous prime is 128055937. The next prime is 128056013. The reversal of 128056008 is 800650821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667810 + ... + 2667857.

It is an arithmetic number, because the mean of its divisors is an integer number (20008755).

Almost surely, 2^128056008 is an apocalyptic number.

It is an amenable number.

128056008 is an abundant number, since it is smaller than the sum of its proper divisors (192084072).

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

128056008 is a wasteful number, since it uses less digits than its factorization.

128056008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335676 (or 5335672 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 128056008 is about 11316.1834555649. The cubic root of 128056008 is about 504.0419151333.

The spelling of 128056008 in words is "one hundred twenty-eight million, fifty-six thousand, eight".