117018291 has 8 divisors (see below), whose sum is σ = 168026320. Its totient is φ = 72011232.

The previous prime is 117018289. The next prime is 117018301. The reversal of 117018291 is 192810711.

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

It is not a de Polignac number, because 117018291 - 2¹ = 117018289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117018791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1500196 + ... + 1500273.

It is an arithmetic number, because the mean of its divisors is an integer number (21003290).

Almost surely, 2^117018291 is an apocalyptic number.

117018291 is a deficient number, since it is larger than the sum of its proper divisors (51008029).

117018291 is a wasteful number, since it uses less digits than its factorization.

117018291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000485.

The product of its (nonzero) digits is 1008, while the sum is 30.

The square root of 117018291 is about 10817.4992951236. The cubic root of 117018291 is about 489.1228107278.

The spelling of 117018291 in words is "one hundred seventeen million, eighteen thousand, two hundred ninety-one".