128876356 has 12 divisors (see below), whose sum is σ = 257752768. Its totient is φ = 55232712.

The previous prime is 128876339. The next prime is 128876389. The reversal of 128876356 is 653678821.

128876356 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301336 + ... + 2301391.

Almost surely, 2^128876356 is an apocalyptic number.

It is an amenable number.

128876356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128876356 is a wasteful number, since it uses less digits than its factorization.

128876356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602738 (or 4602736 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 128876356 is about 11352.3722630999. The cubic root of 128876356 is about 505.1159502403.

The spelling of 128876356 in words is "one hundred twenty-eight million, eight hundred seventy-six thousand, three hundred fifty-six".