115087197 has 4 divisors (see below), whose sum is σ = 153449600. Its totient is φ = 76724796.

The previous prime is 115087183. The next prime is 115087213. The reversal of 115087197 is 791780511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115087197 - 2⁸ = 115086941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115087157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19181197 + ... + 19181202.

It is an arithmetic number, because the mean of its divisors is an integer number (38362400).

Almost surely, 2^115087197 is an apocalyptic number.

It is an amenable number.

115087197 is a deficient number, since it is larger than the sum of its proper divisors (38362403).

115087197 is an equidigital number, since it uses as much as digits as its factorization.

115087197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38362402.

The product of its (nonzero) digits is 17640, while the sum is 39.

The square root of 115087197 is about 10727.8701054776. The cubic root of 115087197 is about 486.4172905042.

The spelling of 115087197 in words is "one hundred fifteen million, eighty-seven thousand, one hundred ninety-seven".