5120172 has 30 divisors (see below), whose sum is σ = 13385988. Its totient is φ = 1706616.

The previous prime is 5120131. The next prime is 5120183. The reversal of 5120172 is 2710215.

It is a super-2 number, since 2×5120172² = 52432322619168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7578 + ... + 8225.

Almost surely, 2^5120172 is an apocalyptic number.

It is an amenable number.

5120172 is an abundant number, since it is smaller than the sum of its proper divisors (8265816).

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

5120172 is a wasteful number, since it uses less digits than its factorization.

5120172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819 (or 15808 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5120172 is about 2262.7797064672. The cubic root of 5120172 is about 172.3567051953.

Adding to 5120172 its reverse (2710215), we get a palindrome (7830387).

The spelling of 5120172 in words is "five million, one hundred twenty thousand, one hundred seventy-two".