117512892 has 36 divisors (see below), whose sum is σ = 339482416. Its totient is φ = 33575040.

The previous prime is 117512887. The next prime is 117512897. The reversal of 117512892 is 298215711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117512887) and next prime (117512897).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117512897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232909 + ... + 233412.

Almost surely, 2^117512892 is an apocalyptic number.

117512892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117512892 is an abundant number, since it is smaller than the sum of its proper divisors (221969524).

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

117512892 is a wasteful number, since it uses less digits than its factorization.

117512892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466338 (or 466333 counting only the distinct ones).

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

The square root of 117512892 is about 10840.3363416455. The cubic root of 117512892 is about 489.8109669284.

The spelling of 117512892 in words is "one hundred seventeen million, five hundred twelve thousand, eight hundred ninety-two".