117094491 has 20 divisors (see below), whose sum is σ = 177036552. Its totient is φ = 77118048.

The previous prime is 117094477. The next prime is 117094499. The reversal of 117094491 is 194490711.

117094491 is a `hidden beast` number, since 11 + 70 + 94 + 491 = 666.

It is not a de Polignac number, because 117094491 - 2⁵ = 117094459 is a prime.

It is a super-2 number, since 2×117094491² = 27422239645098162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117094499) 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 19 ways as a sum of consecutive naturals, for example, 1986 + ... + 15431.

Almost surely, 2^117094491 is an apocalyptic number.

117094491 is a deficient number, since it is larger than the sum of its proper divisors (59942061).

117094491 is an equidigital number, since it uses as much as digits as its factorization.

117094491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512 (or 17503 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 117094491 is about 10821.0207928827. The cubic root of 117094491 is about 489.2289567292.

The spelling of 117094491 in words is "one hundred seventeen million, ninety-four thousand, four hundred ninety-one".