1304203004 has 12 divisors (see below), whose sum is σ = 2457921144. Its totient is φ = 601939824.

The previous prime is 1304203003. The next prime is 1304203009. The reversal of 1304203004 is 4003024031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304203003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12540362 + ... + 12540465.

It is an arithmetic number, because the mean of its divisors is an integer number (204826762).

Almost surely, 2^1304203004 is an apocalyptic number.

It is an amenable number.

1304203004 is a deficient number, since it is larger than the sum of its proper divisors (1153718140).

1304203004 is a wasteful number, since it uses less digits than its factorization.

1304203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25080844 (or 25080842 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1304203004 is about 36113.7508990689. The cubic root of 1304203004 is about 1092.5678045984.

Adding to 1304203004 its reverse (4003024031), we get a palindrome (5307227035).

The spelling of 1304203004 in words is "one billion, three hundred four million, two hundred three thousand, four".