117104289 has 4 divisors (see below), whose sum is σ = 156139056. Its totient is φ = 78069524.

The previous prime is 117104209. The next prime is 117104327. The reversal of 117104289 is 982401711.

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 117104289 - 2⁷ = 117104161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117104209) 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, 19517379 + ... + 19517384.

It is an arithmetic number, because the mean of its divisors is an integer number (39034764).

Almost surely, 2^117104289 is an apocalyptic number.

It is an amenable number.

117104289 is a deficient number, since it is larger than the sum of its proper divisors (39034767).

117104289 is an equidigital number, since it uses as much as digits as its factorization.

117104289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39034766.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 117104289 is about 10821.4735133437. The cubic root of 117104289 is about 489.2426019246.

The spelling of 117104289 in words is "one hundred seventeen million, one hundred four thousand, two hundred eighty-nine".