115224171 has 4 divisors (see below), whose sum is σ = 153632232. Its totient is φ = 76816112.

The previous prime is 115224167. The next prime is 115224203. The reversal of 115224171 is 171422511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115224171 - 2² = 115224167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115224671) 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 3 ways as a sum of consecutive naturals, for example, 19204026 + ... + 19204031.

It is an arithmetic number, because the mean of its divisors is an integer number (38408058).

Almost surely, 2^115224171 is an apocalyptic number.

115224171 is a deficient number, since it is larger than the sum of its proper divisors (38408061).

115224171 is an equidigital number, since it uses as much as digits as its factorization.

115224171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38408060.

The product of its digits is 560, while the sum is 24.

The square root of 115224171 is about 10734.2522329224. The cubic root of 115224171 is about 486.6101880310.

Adding to 115224171 its reverse (171422511), we get a palindrome (286646682).

The spelling of 115224171 in words is "one hundred fifteen million, two hundred twenty-four thousand, one hundred seventy-one".