117868542 has 32 divisors (see below), whose sum is σ = 257554944. Its totient is φ = 35664000.

The previous prime is 117868523. The next prime is 117868561. The reversal of 117868542 is 245868711.

It is an interprime number because it is at equal distance from previous prime (117868523) and next prime (117868561).

It is a junction number, because it is equal to n+sod(n) for n = 117868494 and 117868503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78523 + ... + 80009.

It is an arithmetic number, because the mean of its divisors is an integer number (8048592).

Almost surely, 2^117868542 is an apocalyptic number.

117868542 is an abundant number, since it is smaller than the sum of its proper divisors (139686402).

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

117868542 is a wasteful number, since it uses less digits than its factorization.

117868542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704.

The product of its digits is 107520, while the sum is 42.

The square root of 117868542 is about 10856.7279601176. The cubic root of 117868542 is about 490.3046030553.

The spelling of 117868542 in words is "one hundred seventeen million, eight hundred sixty-eight thousand, five hundred forty-two".