117285132 has 24 divisors (see below), whose sum is σ = 275060016. Its totient is φ = 38895808.

The previous prime is 117285109. The next prime is 117285137. The reversal of 117285132 is 231582711.

It is a self number, because there is not a number n which added to its sum of digits gives 117285132.

It is not an unprimeable number, because it can be changed into a prime (117285137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22443 + ... + 27170.

It is an arithmetic number, because the mean of its divisors is an integer number (11460834).

Almost surely, 2^117285132 is an apocalyptic number.

117285132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117285132 is an abundant number, since it is smaller than the sum of its proper divisors (157774884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117285132 is a wasteful number, since it uses less digits than its factorization.

117285132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49817 (or 49815 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 117285132 is about 10829.8260373840. The cubic root of 117285132 is about 489.4943165725.

The spelling of 117285132 in words is "one hundred seventeen million, two hundred eighty-five thousand, one hundred thirty-two".