117109117 has 4 divisors (see below), whose sum is σ = 117302656. Its totient is φ = 116915580.

The previous prime is 117109087. The next prime is 117109121. The reversal of 117109117 is 711901711.

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 a de Polignac number, because none of the positive numbers 2^k-117109117 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 (117109147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95859 + ... + 97072.

It is an arithmetic number, because the mean of its divisors is an integer number (29325664).

Almost surely, 2^117109117 is an apocalyptic number.

It is an amenable number.

117109117 is a deficient number, since it is larger than the sum of its proper divisors (193539).

117109117 is an equidigital number, since it uses as much as digits as its factorization.

117109117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193538.

The product of its (nonzero) digits is 441, while the sum is 28.

The square root of 117109117 is about 10821.6965860257. The cubic root of 117109117 is about 489.2493253641.

It can be divided in two parts, 11 and 7109117, that multiplied together give a palindrome (78200287).

The spelling of 117109117 in words is "one hundred seventeen million, one hundred nine thousand, one hundred seventeen".