117040217 has 8 divisors (see below), whose sum is σ = 133857600. Its totient is φ = 100247184.

The previous prime is 117040207. The next prime is 117040219. The reversal of 117040217 is 712040711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117040217 - 2⁸ = 117039961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117040192 and 117040201.

It is not an unprimeable number, because it can be changed into a prime (117040219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5759 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (16732200).

Almost surely, 2^117040217 is an apocalyptic number.

It is an amenable number.

117040217 is a deficient number, since it is larger than the sum of its proper divisors (16817383).

117040217 is a wasteful number, since it uses less digits than its factorization.

117040217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 117040217 is about 10818.5126981485. The cubic root of 117040217 is about 489.1533581944.

Adding to 117040217 its reverse (712040711), we get a palindrome (829080928).

The spelling of 117040217 in words is "one hundred seventeen million, forty thousand, two hundred seventeen".