117085147 has 4 divisors (see below), whose sum is σ = 118222000. Its totient is φ = 115948296.

The previous prime is 117085139. The next prime is 117085193. The reversal of 117085147 is 741580711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117085147 - 2³ = 117085139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117085117) 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, 568272 + ... + 568477.

It is an arithmetic number, because the mean of its divisors is an integer number (29555500).

Almost surely, 2^117085147 is an apocalyptic number.

117085147 is a deficient number, since it is larger than the sum of its proper divisors (1136853).

117085147 is a wasteful number, since it uses less digits than its factorization.

117085147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136852.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 117085147 is about 10820.5890320259. The cubic root of 117085147 is about 489.2159430883.

The spelling of 117085147 in words is "one hundred seventeen million, eighty-five thousand, one hundred forty-seven".