117402912 has 144 divisors (see below), whose sum is σ = 376719840. Its totient is φ = 35544960.

The previous prime is 117402899. The next prime is 117402913. The reversal of 117402912 is 219204711.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117402913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103983 + ... + 105105.

It is an arithmetic number, because the mean of its divisors is an integer number (2616110).

Almost surely, 2^117402912 is an apocalyptic number.

117402912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117402912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188359920).

117402912 is an abundant number, since it is smaller than the sum of its proper divisors (259316928).

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

117402912 is a wasteful number, since it uses less digits than its factorization.

117402912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 117402912 is about 10835.2624333700. The cubic root of 117402912 is about 489.6581149777.

The spelling of 117402912 in words is "one hundred seventeen million, four hundred two thousand, nine hundred twelve".