117994425 has 24 divisors (see below), whose sum is σ = 195401184. Its totient is φ = 62828160.

The previous prime is 117994421. The next prime is 117994453. The reversal of 117994425 is 524499711.

It is not a de Polignac number, because 117994425 - 2² = 117994421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117994421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76714 + ... + 78236.

It is an arithmetic number, because the mean of its divisors is an integer number (8141716).

Almost surely, 2^117994425 is an apocalyptic number.

117994425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117994425 is a deficient number, since it is larger than the sum of its proper divisors (77406759).

117994425 is a wasteful number, since it uses less digits than its factorization.

117994425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2564 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 117994425 is about 10862.5238779945. The cubic root of 117994425 is about 490.4790885562.

The spelling of 117994425 in words is "one hundred seventeen million, nine hundred ninety-four thousand, four hundred twenty-five".