118915227 has 6 divisors (see below), whose sum is σ = 171766452. Its totient is φ = 79276812.

The previous prime is 118915219. The next prime is 118915231. The reversal of 118915227 is 722519811.

It is a happy number.

It is not a de Polignac number, because 118915227 - 2³ = 118915219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118915191 and 118915200.

It is not an unprimeable number, because it can be changed into a prime (118915207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6606393 + ... + 6606410.

It is an arithmetic number, because the mean of its divisors is an integer number (28627742).

Almost surely, 2^118915227 is an apocalyptic number.

118915227 is a deficient number, since it is larger than the sum of its proper divisors (52851225).

118915227 is a wasteful number, since it uses less digits than its factorization.

118915227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212809 (or 13212806 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 118915227 is about 10904.8258583070. The cubic root of 118915227 is about 491.7516469153.

The spelling of 118915227 in words is "one hundred eighteen million, nine hundred fifteen thousand, two hundred twenty-seven".