115497172 has 12 divisors (see below), whose sum is σ = 230994400. Its totient is φ = 49498776.

The previous prime is 115497119. The next prime is 115497197. The reversal of 115497172 is 271794511.

115497172 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062422 + ... + 2062477.

Almost surely, 2^115497172 is an apocalyptic number.

It is an amenable number.

115497172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115497172 is a wasteful number, since it uses less digits than its factorization.

115497172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124910 (or 4124908 counting only the distinct ones).

The product of its digits is 17640, while the sum is 37.

The square root of 115497172 is about 10746.9610588296. The cubic root of 115497172 is about 486.9941939443.

It can be divided in two parts, 11549 and 7172, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 115497172 in words is "one hundred fifteen million, four hundred ninety-seven thousand, one hundred seventy-two".