1304120322 has 12 divisors (see below), whose sum is σ = 2825594070. Its totient is φ = 434706768.

The previous prime is 1304120291. The next prime is 1304120341. The reversal of 1304120322 is 2230214031.

It can be written as a sum of positive squares in only one way, i.e., 946116081 + 358004241 = 30759^2 + 18921^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 72451129 = 1304120322 / (1 + 3 + 0 + 4 + 1 + 2 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1304120295 and 1304120304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36225547 + ... + 36225582.

Almost surely, 2^1304120322 is an apocalyptic number.

1304120322 is an abundant number, since it is smaller than the sum of its proper divisors (1521473748).

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

1304120322 is a wasteful number, since it uses less digits than its factorization.

1304120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72451137 (or 72451134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304120322 is about 36112.6061369157. The cubic root of 1304120322 is about 1092.5447157592.

Adding to 1304120322 its reverse (2230214031), we get a palindrome (3534334353).

The spelling of 1304120322 in words is "one billion, three hundred four million, one hundred twenty thousand, three hundred twenty-two".