115517227 has 16 divisors (see below), whose sum is σ = 140355072. Its totient is φ = 92810880.

The previous prime is 115517189. The next prime is 115517231. The reversal of 115517227 is 722715511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115517227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115517257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29452 + ... + 33142.

It is an arithmetic number, because the mean of its divisors is an integer number (8772192).

Almost surely, 2^115517227 is an apocalyptic number.

115517227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

115517227 is a deficient number, since it is larger than the sum of its proper divisors (24837845).

115517227 is a wasteful number, since it uses less digits than its factorization.

115517227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978.

The product of its digits is 4900, while the sum is 31.

The square root of 115517227 is about 10747.8940727940. The cubic root of 115517227 is about 487.0223796368.

The spelling of 115517227 in words is "one hundred fifteen million, five hundred seventeen thousand, two hundred twenty-seven".