117081091 has 8 divisors (see below), whose sum is σ = 128243520. Its totient is φ = 106393728.

The previous prime is 117081077. The next prime is 117081101. The reversal of 117081091 is 190180711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117081091 - 2¹⁷ = 116950019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117081001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118251 + ... + 119236.

It is an arithmetic number, because the mean of its divisors is an integer number (16030440).

Almost surely, 2^117081091 is an apocalyptic number.

117081091 is a deficient number, since it is larger than the sum of its proper divisors (11162429).

117081091 is a wasteful number, since it uses less digits than its factorization.

117081091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237533.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 117081091 is about 10820.4016099219. The cubic root of 117081091 is about 489.2102939722.

The spelling of 117081091 in words is "one hundred seventeen million, eighty-one thousand, ninety-one".