116871191 has 4 divisors (see below), whose sum is σ = 116898384. Its totient is φ = 116844000.

The previous prime is 116871179. The next prime is 116871199. The reversal of 116871191 is 191178611.

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 116871191 - 2⁶ = 116871127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116871199) 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, 5570 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (29224596).

Almost surely, 2^116871191 is an apocalyptic number.

116871191 is a deficient number, since it is larger than the sum of its proper divisors (27193).

116871191 is an equidigital number, since it uses as much as digits as its factorization.

116871191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27192.

The product of its digits is 3024, while the sum is 35.

The square root of 116871191 is about 10810.6979885667. The cubic root of 116871191 is about 488.9177711721.

The spelling of 116871191 in words is "one hundred sixteen million, eight hundred seventy-one thousand, one hundred ninety-one".