113172 has 12 divisors (see below), whose sum is σ = 264096. Its totient is φ = 37720.

The previous prime is 113171. The next prime is 113173. The reversal of 113172 is 271311.

It is an interprime number because it is at equal distance from previous prime (113171) and next prime (113173).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4704 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (22008).

2¹¹³¹⁷² is an apocalyptic number.

113172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113172 is an abundant number, since it is smaller than the sum of its proper divisors (150924).

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

113172 is a wasteful number, since it uses less digits than its factorization.

113172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438 (or 9436 counting only the distinct ones).

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

The square root of 113172 is about 336.4104635709. The cubic root of 113172 is about 48.3703983097.

Adding to 113172 its reverse (271311), we get a palindrome (384483).

The spelling of 113172 in words is "one hundred thirteen thousand, one hundred seventy-two".