5128172 has 24 divisors (see below), whose sum is σ = 10703616. Its totient is φ = 2101968.

The previous prime is 5128153. The next prime is 5128213. The reversal of 5128172 is 2718215.

It is a super-3 number, since 3×5128172³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

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, 3338 + ... + 4625.

It is an arithmetic number, because the mean of its divisors is an integer number (445984).

Almost surely, 2^5128172 is an apocalyptic number.

It is an amenable number.

5128172 is an abundant number, since it is smaller than the sum of its proper divisors (5575444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5128172 is a wasteful number, since it uses less digits than its factorization.

5128172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997 (or 7995 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 5128172 is about 2264.5467537677. The cubic root of 5128172 is about 172.4464245860.

The spelling of 5128172 in words is "five million, one hundred twenty-eight thousand, one hundred seventy-two".