117133217 has 4 divisors (see below), whose sum is σ = 117155220. Its totient is φ = 117111216.

The previous prime is 117133199. The next prime is 117133307. The reversal of 117133217 is 712331711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59737441 + 57395776 = 7729^2 + 7576^2 .

It is a cyclic number.

It is not a de Polignac number, because 117133217 - 2⁶ = 117133153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117153217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (29288805).

Almost surely, 2^117133217 is an apocalyptic number.

It is an amenable number.

117133217 is a deficient number, since it is larger than the sum of its proper divisors (22003).

117133217 is an equidigital number, since it uses as much as digits as its factorization.

117133217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002.

The product of its digits is 882, while the sum is 26.

The square root of 117133217 is about 10822.8100325193. The cubic root of 117133217 is about 489.2828840950.

Adding to 117133217 its reverse (712331711), we get a palindrome (829464928).

The spelling of 117133217 in words is "one hundred seventeen million, one hundred thirty-three thousand, two hundred seventeen".