115170212 has 6 divisors (see below), whose sum is σ = 201547878. Its totient is φ = 57585104.

The previous prime is 115170193. The next prime is 115170217. The reversal of 115170212 is 212071511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 108284836 + 6885376 = 10406^2 + 2624^2 .

It is not an unprimeable number, because it can be changed into a prime (115170217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396273 + ... + 14396280.

It is an arithmetic number, because the mean of its divisors is an integer number (33591313).

Almost surely, 2^115170212 is an apocalyptic number.

It is an amenable number.

115170212 is a deficient number, since it is larger than the sum of its proper divisors (86377666).

115170212 is a wasteful number, since it uses less digits than its factorization.

115170212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28792557 (or 28792555 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 115170212 is about 10731.7385357639. The cubic root of 115170212 is about 486.5342169951.

The spelling of 115170212 in words is "one hundred fifteen million, one hundred seventy thousand, two hundred twelve".