1042794799 has 2 divisors, whose sum is σ = 1042794800. Its totient is φ = 1042794798.

The previous prime is 1042794787. The next prime is 1042794877. The reversal of 1042794799 is 9974972401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042794799 - 2²⁷ = 908577071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042794299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521397399 + 521397400.

It is an arithmetic number, because the mean of its divisors is an integer number (521397400).

Almost surely, 2^1042794799 is an apocalyptic number.

1042794799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042794799 is an equidigital number, since it uses as much as digits as its factorization.

1042794799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 1042794799 is about 32292.3334399978. Note that the first 3 decimals coincide. The cubic root of 1042794799 is about 1014.0661487657.

The spelling of 1042794799 in words is "one billion, forty-two million, seven hundred ninety-four thousand, seven hundred ninety-nine".