117071117 has 4 divisors (see below), whose sum is σ = 119280060. Its totient is φ = 114862176.

The previous prime is 117071099. The next prime is 117071147. The reversal of 117071117 is 711170711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711170711 = 1051 ⋅676661.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 55071241 = 7874^2 + 7421^2 .

It is a cyclic number.

It is not a de Polignac number, because 117071117 - 2⁸ = 117070861 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 (117071147) 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, 1104392 + ... + 1104497.

It is an arithmetic number, because the mean of its divisors is an integer number (29820015).

Almost surely, 2^117071117 is an apocalyptic number.

It is an amenable number.

117071117 is a deficient number, since it is larger than the sum of its proper divisors (2208943).

117071117 is an equidigital number, since it uses as much as digits as its factorization.

117071117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208942.

The product of its (nonzero) digits is 343, while the sum is 26.

The square root of 117071117 is about 10819.9407114827. The cubic root of 117071117 is about 489.1964018284.

The spelling of 117071117 in words is "one hundred seventeen million, seventy-one thousand, one hundred seventeen".