128375 has 16 divisors (see below), whose sum is σ = 174720. Its totient is φ = 93600.

The previous prime is 128351. The next prime is 128377. The reversal of 128375 is 573821.

It is not a de Polignac number, because 128375 - 2⁶ = 128311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹²⁸³⁷⁵ is an apocalyptic number.

128375 is a deficient number, since it is larger than the sum of its proper divisors (46345).

128375 is an equidigital number, since it uses as much as digits as its factorization.

128375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 97 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 128375 is about 358.2945715469. The cubic root of 128375 is about 50.4460096777.

The spelling of 128375 in words is "one hundred twenty-eight thousand, three hundred seventy-five".