117291083 has 16 divisors (see below), whose sum is σ = 144661440. Its totient is φ = 92606976.

The previous prime is 117291079. The next prime is 117291091. The reversal of 117291083 is 380192711.

It is not a de Polignac number, because 117291083 - 2² = 117291079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117291023) 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 15 ways as a sum of consecutive naturals, for example, 55103 + ... + 57191.

It is an arithmetic number, because the mean of its divisors is an integer number (9041340).

Almost surely, 2^117291083 is an apocalyptic number.

117291083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117291083 is a deficient number, since it is larger than the sum of its proper divisors (27370357).

117291083 is a wasteful number, since it uses less digits than its factorization.

117291083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 117291083 is about 10830.1007843879. The cubic root of 117291083 is about 489.5025953468.

The spelling of 117291083 in words is "one hundred seventeen million, two hundred ninety-one thousand, eighty-three".