117990025 has 12 divisors (see below), whose sum is σ = 146444992. Its totient is φ = 94303440.

The previous prime is 117990007. The next prime is 117990071. The reversal of 117990025 is 520099711.

It is not a de Polignac number, because 117990025 - 2¹⁷ = 117858953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43252 + ... + 45898.

Almost surely, 2^117990025 is an apocalyptic number.

It is an amenable number.

117990025 is a deficient number, since it is larger than the sum of its proper divisors (28454967).

117990025 is a wasteful number, since it uses less digits than its factorization.

117990025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 117990025 is about 10862.3213449060. The cubic root of 117990025 is about 490.4729918421.

It can be divided in two parts, 1179 and 90025, that added together give a square (91204 = 302²).

The spelling of 117990025 in words is "one hundred seventeen million, nine hundred ninety thousand, twenty-five".