117492031 has 4 divisors (see below), whose sum is σ = 118100992. Its totient is φ = 116883072.

The previous prime is 117491999. The next prime is 117492047. The reversal of 117492031 is 130294711.

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 117492031 - 2⁵ = 117491999 is a prime.

It is a super-2 number, since 2×117492031² = 27608754697009922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117492631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304191 + ... + 304576.

It is an arithmetic number, because the mean of its divisors is an integer number (29525248).

Almost surely, 2^117492031 is an apocalyptic number.

117492031 is a deficient number, since it is larger than the sum of its proper divisors (608961).

117492031 is an equidigital number, since it uses as much as digits as its factorization.

117492031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608960.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 117492031 is about 10839.3741055469. The cubic root of 117492031 is about 489.7819813107.

The spelling of 117492031 in words is "one hundred seventeen million, four hundred ninety-two thousand, thirty-one".