1042179239 has 2 divisors, whose sum is σ = 1042179240. Its totient is φ = 1042179238.

The previous prime is 1042179233. The next prime is 1042179247. The reversal of 1042179239 is 9329712401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042179239 is a prime.

It is a super-2 number, since 2×1042179239² = 2172275132405238242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042179233) 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, 521089619 + 521089620.

It is an arithmetic number, because the mean of its divisors is an integer number (521089620).

Almost surely, 2^1042179239 is an apocalyptic number.

1042179239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042179239 is an equidigital number, since it uses as much as digits as its factorization.

1042179239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1042179239 is about 32282.8009782299. The cubic root of 1042179239 is about 1013.8665756492.

The spelling of 1042179239 in words is "one billion, forty-two million, one hundred seventy-nine thousand, two hundred thirty-nine".