117725939 has 4 divisors (see below), whose sum is σ = 117881400. Its totient is φ = 117570480.

The previous prime is 117725917. The next prime is 117725953. The reversal of 117725939 is 939527711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939527711 = 1861 ⋅504851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117725939 is a prime.

It is a super-3 number, since 3×117725939³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117725939.

It is not an unprimeable number, because it can be changed into a prime (117728939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76589 + ... + 78110.

It is an arithmetic number, because the mean of its divisors is an integer number (29470350).

Almost surely, 2^117725939 is an apocalyptic number.

117725939 is a deficient number, since it is larger than the sum of its proper divisors (155461).

117725939 is an equidigital number, since it uses as much as digits as its factorization.

117725939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155460.

The product of its digits is 119070, while the sum is 44.

The square root of 117725939 is about 10850.1584781053. The cubic root of 117725939 is about 490.1067919397.

The spelling of 117725939 in words is "one hundred seventeen million, seven hundred twenty-five thousand, nine hundred thirty-nine".