115171236 has 72 divisors (see below), whose sum is σ = 308628320. Its totient is φ = 36111744.

The previous prime is 115171213. The next prime is 115171237. The reversal of 115171236 is 632171511.

It is not an unprimeable number, because it can be changed into a prime (115171237) 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, 110976 + ... + 112008.

Almost surely, 2^115171236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115171236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154314160).

115171236 is an abundant number, since it is smaller than the sum of its proper divisors (193457084).

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

115171236 is a wasteful number, since it uses less digits than its factorization.

115171236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1220 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 115171236 is about 10731.7862446100. The cubic root of 115171236 is about 486.5356589466.

The spelling of 115171236 in words is "one hundred fifteen million, one hundred seventy-one thousand, two hundred thirty-six".