1042042004 has 24 divisors (see below), whose sum is σ = 1945856640. Its totient is φ = 486834624.

The previous prime is 1042041991. The next prime is 1042042037. The reversal of 1042042004 is 4002402401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88364 + ... + 99459.

It is an arithmetic number, because the mean of its divisors is an integer number (81077360).

Almost surely, 2^1042042004 is an apocalyptic number.

It is an amenable number.

1042042004 is a deficient number, since it is larger than the sum of its proper divisors (903814636).

1042042004 is a wasteful number, since it uses less digits than its factorization.

1042042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187919 (or 187917 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1042042004 is about 32280.6753956605. The cubic root of 1042042004 is about 1013.8220714404.

Adding to 1042042004 its reverse (4002402401), we get a palindrome (5044444405).

The spelling of 1042042004 in words is "one billion, forty-two million, forty-two thousand, four".