1042243519 has 2 divisors, whose sum is σ = 1042243520. Its totient is φ = 1042243518.

The previous prime is 1042243513. The next prime is 1042243541. The reversal of 1042243519 is 9153422401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042243519 - 2²⁷ = 908025791 is a prime.

It is a super-2 number, since 2×1042243519² = 2172543105795006722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042243513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521121759 + 521121760.

It is an arithmetic number, because the mean of its divisors is an integer number (521121760).

Almost surely, 2^1042243519 is an apocalyptic number.

1042243519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042243519 is an equidigital number, since it uses as much as digits as its factorization.

1042243519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1042243519 is about 32283.7965394406. The cubic root of 1042243519 is about 1013.8874197936.

The spelling of 1042243519 in words is "one billion, forty-two million, two hundred forty-three thousand, five hundred nineteen".