118117439 has 12 divisors (see below), whose sum is σ = 131682408. Its totient is φ = 105073200.

The previous prime is 118117429. The next prime is 118117451. The reversal of 118117439 is 934711811.

It is not a de Polignac number, because 118117439 - 2⁴ = 118117423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118117399 and 118117408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118117429) 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, 21869 + ... + 26729.

It is an arithmetic number, because the mean of its divisors is an integer number (10973534).

Almost surely, 2^118117439 is an apocalyptic number.

118117439 is a deficient number, since it is larger than the sum of its proper divisors (13564969).

118117439 is an equidigital number, since it uses as much as digits as its factorization.

118117439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 4919 counting only the distinct ones).

The product of its digits is 6048, while the sum is 35.

The square root of 118117439 is about 10868.1847150295. The cubic root of 118117439 is about 490.6494775081.

The spelling of 118117439 in words is "one hundred eighteen million, one hundred seventeen thousand, four hundred thirty-nine".