1144085191 has 2 divisors, whose sum is σ = 1144085192. Its totient is φ = 1144085190.

The previous prime is 1144085167. The next prime is 1144085203. The reversal of 1144085191 is 1915804411.

It is a strong prime.

It is an emirp because it is prime and its reverse (1915804411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144085191 - 2¹⁹ = 1143560903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144085161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572042595 + 572042596.

It is an arithmetic number, because the mean of its divisors is an integer number (572042596).

Almost surely, 2^1144085191 is an apocalyptic number.

1144085191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144085191 is an equidigital number, since it uses as much as digits as its factorization.

1144085191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1144085191 is about 33824.3283894891. The cubic root of 1144085191 is about 1045.8902667284.

The spelling of 1144085191 in words is "one billion, one hundred forty-four million, eighty-five thousand, one hundred ninety-one".