115037172 has 72 divisors (see below), whose sum is σ = 317480800. Its totient is φ = 36321696.

The previous prime is 115037159. The next prime is 115037173. The reversal of 115037172 is 271730511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115037173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15354 + ... + 21582.

Almost surely, 2^115037172 is an apocalyptic number.

115037172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115037172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158740400).

115037172 is an abundant number, since it is smaller than the sum of its proper divisors (202443628).

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

115037172 is a wasteful number, since it uses less digits than its factorization.

115037172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 115037172 is about 10725.5383081690. The cubic root of 115037172 is about 486.3468032214.

Adding to 115037172 its reverse (271730511), we get a palindrome (386767683).

The spelling of 115037172 in words is "one hundred fifteen million, thirty-seven thousand, one hundred seventy-two".