1042904402 has 8 divisors (see below), whose sum is σ = 1565005836. Its totient is φ = 521235792.

The previous prime is 1042904381. The next prime is 1042904411. The reversal of 1042904402 is 2044092401.

It can be written as a sum of positive squares in 2 ways, for example, as 696907201 + 345997201 = 26399^2 + 18601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102113 + ... + 111860.

Almost surely, 2^1042904402 is an apocalyptic number.

1042904402 is a deficient number, since it is larger than the sum of its proper divisors (522101434).

1042904402 is a wasteful number, since it uses less digits than its factorization.

1042904402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216412.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1042904402 is about 32294.0304390765. The cubic root of 1042904402 is about 1014.1016753457.

Adding to 1042904402 its reverse (2044092401), we get a palindrome (3086996803).

The spelling of 1042904402 in words is "one billion, forty-two million, nine hundred four thousand, four hundred two".