117030091 has 4 divisors (see below), whose sum is σ = 123914232. Its totient is φ = 110145952.

The previous prime is 117030071. The next prime is 117030097. The reversal of 117030091 is 190030711.

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 117030091 - 2⁵ = 117030059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117030097) 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, 3442045 + ... + 3442078.

It is an arithmetic number, because the mean of its divisors is an integer number (30978558).

Almost surely, 2^117030091 is an apocalyptic number.

117030091 is a deficient number, since it is larger than the sum of its proper divisors (6884141).

117030091 is an equidigital number, since it uses as much as digits as its factorization.

117030091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884140.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 117030091 is about 10818.0446939361. The cubic root of 117030091 is about 489.1392510499.

The spelling of 117030091 in words is "one hundred seventeen million, thirty thousand, ninety-one".