1042399268 has 12 divisors (see below), whose sum is σ = 1931504652. Its totient is φ = 490540800.

The previous prime is 1042399247. The next prime is 1042399289. The reversal of 1042399268 is 8629932401.

It is an interprime number because it is at equal distance from previous prime (1042399247) and next prime (1042399289).

It can be written as a sum of positive squares in 2 ways, for example, as 791747044 + 250652224 = 28138^2 + 15832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7664633 + ... + 7664768.

It is an arithmetic number, because the mean of its divisors is an integer number (160958721).

Almost surely, 2^1042399268 is an apocalyptic number.

It is an amenable number.

1042399268 is a deficient number, since it is larger than the sum of its proper divisors (889105384).

1042399268 is a wasteful number, since it uses less digits than its factorization.

1042399268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329422 (or 15329420 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1042399268 is about 32286.2086346477. The cubic root of 1042399268 is about 1013.9379211347.

The spelling of 1042399268 in words is "one billion, forty-two million, three hundred ninety-nine thousand, two hundred sixty-eight".