1204405316 has 12 divisors (see below), whose sum is σ = 2131392060. Its totient is φ = 595436160.

The previous prime is 1204405303. The next prime is 1204405339. The reversal of 1204405316 is 6135044021.

It can be written as a sum of positive squares in 2 ways, for example, as 252682816 + 951722500 = 15896^2 + 30850^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691225 + ... + 1691936.

It is an arithmetic number, because the mean of its divisors is an integer number (177616005).

Almost surely, 2^1204405316 is an apocalyptic number.

It is an amenable number.

1204405316 is a deficient number, since it is larger than the sum of its proper divisors (926986744).

1204405316 is a wasteful number, since it uses less digits than its factorization.

1204405316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383254 (or 3383252 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1204405316 is about 34704.5431608024. The cubic root of 1204405316 is about 1063.9573552641.

Adding to 1204405316 its reverse (6135044021), we get a palindrome (7339449337).

The spelling of 1204405316 in words is "one billion, two hundred four million, four hundred five thousand, three hundred sixteen".