860128 has 12 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 430048.

The previous prime is 860117. The next prime is 860143. The reversal of 860128 is 821068.

It is a congruent number.

It is an unprimeable number.

860128 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 13408 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2⁸⁶⁰¹²⁸ is an apocalyptic number.

It is an amenable number.

860128 is a deficient number, since it is larger than the sum of its proper divisors (833312).

860128 is a wasteful number, since it uses less digits than its factorization.

860128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26889 (or 26881 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 860128 is about 927.4308599567. The cubic root of 860128 is about 95.1015718800.

Subtracting from 860128 its reverse (821068), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 860128 in words is "eight hundred sixty thousand, one hundred twenty-eight".