1144232191 has 2 divisors, whose sum is σ = 1144232192. Its totient is φ = 1144232190.

The previous prime is 1144232147. The next prime is 1144232263. The reversal of 1144232191 is 1912324411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144232191 - 2²⁷ = 1010014463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144232491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572116095 + 572116096.

It is an arithmetic number, because the mean of its divisors is an integer number (572116096).

Almost surely, 2^1144232191 is an apocalyptic number.

1144232191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144232191 is an equidigital number, since it uses as much as digits as its factorization.

1144232191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 1144232191 is about 33826.5013118413. The cubic root of 1144232191 is about 1045.9350592217.

The spelling of 1144232191 in words is "one billion, one hundred forty-four million, two hundred thirty-two thousand, one hundred ninety-one".