500128 has 12 divisors (see below), whose sum is σ = 984690. Its totient is φ = 250048.

The previous prime is 500119. The next prime is 500153. The reversal of 500128 is 821005.

It is a happy number.

500128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 258064 + 242064 = 508^2 + 492^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

500128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7783 + ... + 7846.

2⁵⁰⁰¹²⁸ is an apocalyptic number.

It is an amenable number.

500128 is a deficient number, since it is larger than the sum of its proper divisors (484562).

500128 is a wasteful number, since it uses less digits than its factorization.

500128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639 (or 15631 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 500128 is about 707.1972850627. The cubic root of 500128 is about 79.3768249317.

It can be divided in two parts, 500 and 128, that multiplied together give a cube (64000 = 40³).

The spelling of 500128 in words is "five hundred thousand, one hundred twenty-eight".