117238605 has 32 divisors (see below), whose sum is σ = 208120320. Its totient is φ = 55874880.

The previous prime is 117238601. The next prime is 117238609. The reversal of 117238605 is 506832711.

It is an interprime number because it is at equal distance from previous prime (117238601) and next prime (117238609).

It is not a de Polignac number, because 117238605 - 2² = 117238601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117238601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3714 + ... + 15756.

It is an arithmetic number, because the mean of its divisors is an integer number (6503760).

Almost surely, 2^117238605 is an apocalyptic number.

117238605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117238605 is a deficient number, since it is larger than the sum of its proper divisors (90881715).

117238605 is a wasteful number, since it uses less digits than its factorization.

117238605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 117238605 is about 10827.6777288577. The cubic root of 117238605 is about 489.4295805629.

The spelling of 117238605 in words is "one hundred seventeen million, two hundred thirty-eight thousand, six hundred five".