1142388589 has 2 divisors, whose sum is σ = 1142388590. Its totient is φ = 1142388588.

The previous prime is 1142388581. The next prime is 1142388631. The reversal of 1142388589 is 9858832411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037162025 + 105226564 = 32205^2 + 10258^2 .

It is an emirp because it is prime and its reverse (9858832411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142388589 - 2³ = 1142388581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142388581) 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, 571194294 + 571194295.

It is an arithmetic number, because the mean of its divisors is an integer number (571194295).

Almost surely, 2^1142388589 is an apocalyptic number.

It is an amenable number.

1142388589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142388589 is an equidigital number, since it uses as much as digits as its factorization.

1142388589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 49.

The square root of 1142388589 is about 33799.2394736923. The cubic root of 1142388589 is about 1045.3730158014.

The spelling of 1142388589 in words is "one billion, one hundred forty-two million, three hundred eighty-eight thousand, five hundred eighty-nine".