117625191 has 8 divisors (see below), whose sum is σ = 161892864. Its totient is φ = 75887160.

The previous prime is 117625171. The next prime is 117625213. The reversal of 117625191 is 191526711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117625191 - 2⁶ = 117625127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117625171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632301 + ... + 632486.

It is an arithmetic number, because the mean of its divisors is an integer number (20236608).

Almost surely, 2^117625191 is an apocalyptic number.

117625191 is a deficient number, since it is larger than the sum of its proper divisors (44267673).

117625191 is a wasteful number, since it uses less digits than its factorization.

117625191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264821.

The product of its digits is 3780, while the sum is 33.

The square root of 117625191 is about 10845.5147872289. The cubic root of 117625191 is about 489.9669434870.

The spelling of 117625191 in words is "one hundred seventeen million, six hundred twenty-five thousand, one hundred ninety-one".