1204321404 has 48 divisors (see below), whose sum is σ = 3301361280. Its totient is φ = 336872640.

The previous prime is 1204321381. The next prime is 1204321411. The reversal of 1204321404 is 4041234021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349194 + ... + 352625.

It is an arithmetic number, because the mean of its divisors is an integer number (68778360).

Almost surely, 2^1204321404 is an apocalyptic number.

It is an amenable number.

1204321404 is an abundant number, since it is smaller than the sum of its proper divisors (2097039876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204321404 is a wasteful number, since it uses less digits than its factorization.

1204321404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701850 (or 701848 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1204321404 is about 34703.3341914001. The cubic root of 1204321404 is about 1063.9326457354.

Adding to 1204321404 its reverse (4041234021), we get a palindrome (5245555425).

It can be divided in two parts, 1204321 and 404, that multiplied together give a palindrome (486545684).

The spelling of 1204321404 in words is "one billion, two hundred four million, three hundred twenty-one thousand, four hundred four".