118172 has 12 divisors (see below), whose sum is σ = 213696. Its totient is φ = 57120.

The previous prime is 118171. The next prime is 118189. The reversal of 118172 is 271811.

It is a d-powerful number, because it can be written as 1 + 1 + 1 + 8 + 7⁶ + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118171) 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, 353 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (17808).

2¹¹⁸¹⁷² is an apocalyptic number.

It is an amenable number.

118172 is a deficient number, since it is larger than the sum of its proper divisors (95524).

118172 is a wasteful number, since it uses less digits than its factorization.

118172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its digits is 112, while the sum is 20.

The square root of 118172 is about 343.7615452607. The cubic root of 118172 is about 49.0725013081.

Adding to 118172 its reverse (271811), we get a palindrome (389983).

The spelling of 118172 in words is "one hundred eighteen thousand, one hundred seventy-two".