190841191 has 2 divisors, whose sum is σ = 190841192. Its totient is φ = 190841190.

The previous prime is 190841179. The next prime is 190841207. The reversal of 190841191 is 191148091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190841191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190841171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95420595 + 95420596.

It is an arithmetic number, because the mean of its divisors is an integer number (95420596).

Almost surely, 2^190841191 is an apocalyptic number.

190841191 is a deficient number, since it is larger than the sum of its proper divisors (1).

190841191 is an equidigital number, since it uses as much as digits as its factorization.

190841191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 190841191 is about 13814.5282583228. The cubic root of 190841191 is about 575.7368660104.

The spelling of 190841191 in words is "one hundred ninety million, eight hundred forty-one thousand, one hundred ninety-one".