115219072 has 16 divisors (see below), whose sum is σ = 229538250. Its totient is φ = 57609472.

The previous prime is 115219067. The next prime is 115219079. The reversal of 115219072 is 270912511.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 1498176 = 10664^2 + 1224^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 115219072.

It is not an unprimeable number, because it can be changed into a prime (115219079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449947 + ... + 450202.

Almost surely, 2^115219072 is an apocalyptic number.

It is an amenable number.

115219072 is a deficient number, since it is larger than the sum of its proper divisors (114319178).

115219072 is an frugal number, since it uses more digits than its factorization.

115219072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900163 (or 900151 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 115219072 is about 10734.0147195725. The cubic root of 115219072 is about 486.6030099597.

The spelling of 115219072 in words is "one hundred fifteen million, two hundred nineteen thousand, seventy-two".