117042615 has 12 divisors (see below), whose sum is σ = 202873944. Its totient is φ = 62422704.

The previous prime is 117042613. The next prime is 117042617. The reversal of 117042615 is 516240711.

It is a happy number.

117042615 is a `hidden beast` number, since 1 + 1 + 7 + 0 + 42 + 615 = 666.

It is an interprime number because it is at equal distance from previous prime (117042613) and next prime (117042617).

It is not a de Polignac number, because 117042615 - 2¹ = 117042613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117042613) 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, 1300429 + ... + 1300518.

It is an arithmetic number, because the mean of its divisors is an integer number (16906162).

Almost surely, 2^117042615 is an apocalyptic number.

117042615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117042615 is a deficient number, since it is larger than the sum of its proper divisors (85831329).

117042615 is a wasteful number, since it uses less digits than its factorization.

117042615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600958 (or 2600955 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 117042615 is about 10818.6235261238. The cubic root of 117042615 is about 489.1566988744.

The spelling of 117042615 in words is "one hundred seventeen million, forty-two thousand, six hundred fifteen".