117100983 has 4 divisors (see below), whose sum is σ = 156134648. Its totient is φ = 78067320.

The previous prime is 117100909. The next prime is 117100987. The reversal of 117100983 is 389001711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117100983 - 2⁸ = 117100727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117100983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117100987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19516828 + ... + 19516833.

It is an arithmetic number, because the mean of its divisors is an integer number (39033662).

Almost surely, 2^117100983 is an apocalyptic number.

117100983 is a deficient number, since it is larger than the sum of its proper divisors (39033665).

117100983 is an equidigital number, since it uses as much as digits as its factorization.

117100983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39033664.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 117100983 is about 10821.3207604248. The cubic root of 117100983 is about 489.2379979052.

The spelling of 117100983 in words is "one hundred seventeen million, one hundred thousand, nine hundred eighty-three".