117944109 has 6 divisors (see below), whose sum is σ = 170363726. Its totient is φ = 78629400.

The previous prime is 117944093. The next prime is 117944111. The reversal of 117944109 is 901449711.

It can be written as a sum of positive squares in only one way, i.e., 116575209 + 1368900 = 10797^2 + 1170^2 .

It is not a de Polignac number, because 117944109 - 2⁴ = 117944093 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 (117944159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6552442 + ... + 6552459.

Almost surely, 2^117944109 is an apocalyptic number.

It is an amenable number.

117944109 is a deficient number, since it is larger than the sum of its proper divisors (52419617).

117944109 is a wasteful number, since it uses less digits than its factorization.

117944109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104907 (or 13104904 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 117944109 is about 10860.2075947009. The cubic root of 117944109 is about 490.4093608139.

The spelling of 117944109 in words is "one hundred seventeen million, nine hundred forty-four thousand, one hundred nine".