1304205104 has 20 divisors (see below), whose sum is σ = 2527483320. Its totient is φ = 651951360.

The previous prime is 1304205103. The next prime is 1304205113. The reversal of 1304205104 is 4015024031.

It is not an unprimeable number, because it can be changed into a prime (1304205103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100424 + ... + 112664.

It is an arithmetic number, because the mean of its divisors is an integer number (126374166).

Almost surely, 2^1304205104 is an apocalyptic number.

It is an amenable number.

1304205104 is a deficient number, since it is larger than the sum of its proper divisors (1223278216).

1304205104 is a wasteful number, since it uses less digits than its factorization.

1304205104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18908 (or 18902 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1304205104 is about 36113.7799738549. The cubic root of 1304205104 is about 1092.5683910079.

Adding to 1304205104 its reverse (4015024031), we get a palindrome (5319229135).

The spelling of 1304205104 in words is "one billion, three hundred four million, two hundred five thousand, one hundred four".