117037217 has 4 divisors (see below), whose sum is σ = 127676976. Its totient is φ = 106397460.

The previous prime is 117037211. The next prime is 117037229. The reversal of 117037217 is 712730711.

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.

It is a cyclic number.

It is not a de Polignac number, because 117037217 - 2⁶ = 117037153 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 117037217.

It is not an unprimeable number, because it can be changed into a prime (117037211) 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, 5319863 + ... + 5319884.

It is an arithmetic number, because the mean of its divisors is an integer number (31919244).

Almost surely, 2^117037217 is an apocalyptic number.

It is an amenable number.

117037217 is a deficient number, since it is larger than the sum of its proper divisors (10639759).

117037217 is a wasteful number, since it uses less digits than its factorization.

117037217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639758.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 117037217 is about 10818.3740460385. The cubic root of 117037217 is about 489.1491787973.

Adding to 117037217 its reverse (712730711), we get a palindrome (829767928).

The spelling of 117037217 in words is "one hundred seventeen million, thirty-seven thousand, two hundred seventeen".