128590882 has 16 divisors (see below), whose sum is σ = 221588352. Its totient is φ = 54823680.

The previous prime is 128590837. The next prime is 128590921. The reversal of 128590882 is 288095821.

It is a super-2 number, since 2×128590882² = 33071229867075848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 26497.

It is an arithmetic number, because the mean of its divisors is an integer number (13849272).

Almost surely, 2^128590882 is an apocalyptic number.

128590882 is a deficient number, since it is larger than the sum of its proper divisors (92997470).

128590882 is a wasteful number, since it uses less digits than its factorization.

128590882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47793.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 128590882 is about 11339.7919734006. The cubic root of 128590882 is about 504.7427137598.

The spelling of 128590882 in words is "one hundred twenty-eight million, five hundred ninety thousand, eight hundred eighty-two".