117027491 has 4 divisors (see below), whose sum is σ = 133745712. Its totient is φ = 100309272.

The previous prime is 117027451. The next prime is 117027527. The reversal of 117027491 is 194720711.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-117027491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117027401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359100 + ... + 8359113.

It is an arithmetic number, because the mean of its divisors is an integer number (33436428).

Almost surely, 2^117027491 is an apocalyptic number.

117027491 is a deficient number, since it is larger than the sum of its proper divisors (16718221).

117027491 is an equidigital number, since it uses as much as digits as its factorization.

117027491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718220.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 117027491 is about 10817.9245236783. The cubic root of 117027491 is about 489.1356287010.

The spelling of 117027491 in words is "one hundred seventeen million, twenty-seven thousand, four hundred ninety-one".