117108405 has 24 divisors (see below), whose sum is σ = 203505120. Its totient is φ = 62298720.

The previous prime is 117108373. The next prime is 117108437. The reversal of 117108405 is 504801711.

It is an interprime number because it is at equal distance from previous prime (117108373) and next prime (117108437).

It is not a de Polignac number, because 117108405 - 2⁵ = 117108373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15750 + ... + 21960.

It is an arithmetic number, because the mean of its divisors is an integer number (8479380).

Almost surely, 2^117108405 is an apocalyptic number.

117108405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117108405 is a deficient number, since it is larger than the sum of its proper divisors (86396715).

117108405 is a wasteful number, since it uses less digits than its factorization.

117108405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641 (or 6638 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 117108405 is about 10821.6636891007. The cubic root of 117108405 is about 489.2483338494.

The spelling of 117108405 in words is "one hundred seventeen million, one hundred eight thousand, four hundred five".