117154983 has 48 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 66158400.

The previous prime is 117154967. The next prime is 117154991. The reversal of 117154983 is 389451711.

It is not a de Polignac number, because 117154983 - 2⁴ = 117154967 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117154903) 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 47 ways as a sum of consecutive naturals, for example, 326158 + ... + 326516.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^117154983 is an apocalyptic number.

117154983 is a deficient number, since it is larger than the sum of its proper divisors (66704217).

117154983 is a wasteful number, since it uses less digits than its factorization.

117154983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 433 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 117154983 is about 10823.8155472088. The cubic root of 117154983 is about 489.3131888253.

The spelling of 117154983 in words is "one hundred seventeen million, one hundred fifty-four thousand, nine hundred eighty-three".