117942039 has 12 divisors (see below), whose sum is σ = 180382176. Its totient is φ = 74002752.

The previous prime is 117942031. The next prime is 117942049. The reversal of 117942039 is 930249711.

It is not a de Polignac number, because 117942039 - 2³ = 117942031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117941994 and 117942012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117942031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385279 + ... + 385584.

It is an arithmetic number, because the mean of its divisors is an integer number (15031848).

Almost surely, 2^117942039 is an apocalyptic number.

117942039 is a deficient number, since it is larger than the sum of its proper divisors (62440137).

117942039 is a wasteful number, since it uses less digits than its factorization.

117942039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770886 (or 770883 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 117942039 is about 10860.1122922371. The cubic root of 117942039 is about 490.4064917903.

The spelling of 117942039 in words is "one hundred seventeen million, nine hundred forty-two thousand, thirty-nine".