117125405 has 16 divisors (see below), whose sum is σ = 149318400. Its totient is φ = 87946560.

The previous prime is 117125401. The next prime is 117125419. The reversal of 117125405 is 504521711.

It is not a de Polignac number, because 117125405 - 2² = 117125401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117125401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4700 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (9332400).

Almost surely, 2^117125405 is an apocalyptic number.

It is an amenable number.

117125405 is a deficient number, since it is larger than the sum of its proper divisors (32192995).

117125405 is a wasteful number, since it uses less digits than its factorization.

117125405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 117125405 is about 10822.4491220795. The cubic root of 117125405 is about 489.2720065575.

The spelling of 117125405 in words is "one hundred seventeen million, one hundred twenty-five thousand, four hundred five".