128588 has 24 divisors (see below), whose sum is σ = 249984. Its totient is φ = 57600.

The previous prime is 128563. The next prime is 128591. The reversal of 128588 is 885821.

128588 = T₃₂ + T₃₃ + ... + T₉₂.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2¹²⁸⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

128588 is a deficient number, since it is larger than the sum of its proper divisors (121396).

128588 is a wasteful number, since it uses less digits than its factorization.

128588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 128588 is about 358.5916898089. The cubic root of 128588 is about 50.4738942939.

The spelling of 128588 in words is "one hundred twenty-eight thousand, five hundred eighty-eight".