117287005 has 16 divisors (see below), whose sum is σ = 160216704. Its totient is φ = 81590080.

The previous prime is 117286997. The next prime is 117287011. The reversal of 117287005 is 500782711.

It is a happy number.

It is not a de Polignac number, because 117287005 - 2³ = 117286997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45094 + ... + 47623.

It is an arithmetic number, because the mean of its divisors is an integer number (10013544).

Almost surely, 2^117287005 is an apocalyptic number.

It is an amenable number.

117287005 is a deficient number, since it is larger than the sum of its proper divisors (42929699).

117287005 is a wasteful number, since it uses less digits than its factorization.

117287005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92756.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 117287005 is about 10829.9125111886. The cubic root of 117287005 is about 489.4969222395.

The spelling of 117287005 in words is "one hundred seventeen million, two hundred eighty-seven thousand, five".