131172 has 24 divisors (see below), whose sum is σ = 324576. Its totient is φ = 41088.

The previous prime is 131171. The next prime is 131203. The reversal of 131172 is 271131.

It is not an unprimeable number, because it can be changed into a prime (131171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 525.

It is an arithmetic number, because the mean of its divisors is an integer number (13524).

2¹³¹¹⁷² is an apocalyptic number.

131172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131172 is an abundant number, since it is smaller than the sum of its proper divisors (193404).

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

131172 is a wasteful number, since it uses less digits than its factorization.

131172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its digits is 42, while the sum is 15.

The square root of 131172 is about 362.1767524290. The cubic root of 131172 is about 50.8097486819.

It can be divided in two parts, 131 and 172, that added together give a palindrome (303).

The spelling of 131172 in words is "one hundred thirty-one thousand, one hundred seventy-two".