117186128 has 10 divisors (see below), whose sum is σ = 227048154. Its totient is φ = 58593056.

The previous prime is 117186059. The next prime is 117186131. The reversal of 117186128 is 821681711.

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 32398864 = 9208^2 + 5692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3662051 + ... + 3662082.

Almost surely, 2^117186128 is an apocalyptic number.

It is an amenable number.

117186128 is a deficient number, since it is larger than the sum of its proper divisors (109862026).

117186128 is an equidigital number, since it uses as much as digits as its factorization.

117186128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324141 (or 7324135 counting only the distinct ones).

The product of its digits is 5376, while the sum is 35.

The square root of 117186128 is about 10825.2541771545. The cubic root of 117186128 is about 489.3565453792.

The spelling of 117186128 in words is "one hundred seventeen million, one hundred eighty-six thousand, one hundred twenty-eight".