1042873399 has 2 divisors, whose sum is σ = 1042873400. Its totient is φ = 1042873398.

The previous prime is 1042873373. The next prime is 1042873423. The reversal of 1042873399 is 9933782401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042873399 - 2¹³ = 1042865207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042873309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521436699 + 521436700.

It is an arithmetic number, because the mean of its divisors is an integer number (521436700).

Almost surely, 2^1042873399 is an apocalyptic number.

1042873399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042873399 is an equidigital number, since it uses as much as digits as its factorization.

1042873399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1042873399 is about 32293.5504241946. The cubic root of 1042873399 is about 1014.0916263243.

The spelling of 1042873399 in words is "one billion, forty-two million, eight hundred seventy-three thousand, three hundred ninety-nine".