1142797319 has 2 divisors, whose sum is σ = 1142797320. Its totient is φ = 1142797318.

The previous prime is 1142797309. The next prime is 1142797399. The reversal of 1142797319 is 9137972411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142797319 - 2⁴ = 1142797303 is a prime.

It is a super-2 number, since 2×1142797319² = 2611971424627175522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142797319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142797309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571398659 + 571398660.

It is an arithmetic number, because the mean of its divisors is an integer number (571398660).

Almost surely, 2^1142797319 is an apocalyptic number.

1142797319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142797319 is an equidigital number, since it uses as much as digits as its factorization.

1142797319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 1142797319 is about 33805.2853707819. The cubic root of 1142797319 is about 1045.4976740159.

The spelling of 1142797319 in words is "one billion, one hundred forty-two million, seven hundred ninety-seven thousand, three hundred nineteen".