128837375 has 32 divisors (see below), whose sum is σ = 172029312. Its totient is φ = 96096000.

The previous prime is 128837369. The next prime is 128837399. The reversal of 128837375 is 573738821.

It is not a de Polignac number, because 128837375 - 2¹⁸ = 128575231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117329 + ... + 118421.

It is an arithmetic number, because the mean of its divisors is an integer number (5375916).

Almost surely, 2^128837375 is an apocalyptic number.

128837375 is a deficient number, since it is larger than the sum of its proper divisors (43191937).

128837375 is a wasteful number, since it uses less digits than its factorization.

128837375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1162 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 128837375 is about 11350.6552674284. The cubic root of 128837375 is about 505.0650179333.

The spelling of 128837375 in words is "one hundred twenty-eight million, eight hundred thirty-seven thousand, three hundred seventy-five".