117112717 has 4 divisors (see below), whose sum is σ = 118860736. Its totient is φ = 115364700.

The previous prime is 117112703. The next prime is 117112739. The reversal of 117112717 is 717211711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717211711 = 283 ⋅2534317.

It is a cyclic number.

It is not a de Polignac number, because 117112717 - 2¹⁹ = 116588429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117112217) 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, 873909 + ... + 874042.

It is an arithmetic number, because the mean of its divisors is an integer number (29715184).

Almost surely, 2^117112717 is an apocalyptic number.

It is an amenable number.

117112717 is a deficient number, since it is larger than the sum of its proper divisors (1748019).

117112717 is an equidigital number, since it uses as much as digits as its factorization.

117112717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748018.

The product of its digits is 686, while the sum is 28.

The square root of 117112717 is about 10821.8629172615. The cubic root of 117112717 is about 489.2543385791.

The spelling of 117112717 in words is "one hundred seventeen million, one hundred twelve thousand, seven hundred seventeen".