1142404579 has 2 divisors, whose sum is σ = 1142404580. Its totient is φ = 1142404578.

The previous prime is 1142404547. The next prime is 1142404589. The reversal of 1142404579 is 9754042411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9754042411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142404579 - 2⁵ = 1142404547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142404589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571202289 + 571202290.

It is an arithmetic number, because the mean of its divisors is an integer number (571202290).

Almost surely, 2^1142404579 is an apocalyptic number.

1142404579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142404579 is an equidigital number, since it uses as much as digits as its factorization.

1142404579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1142404579 is about 33799.4760166485. The cubic root of 1142404579 is about 1045.3778931367.

The spelling of 1142404579 in words is "one billion, one hundred forty-two million, four hundred four thousand, five hundred seventy-nine".