1304123339 has 2 divisors, whose sum is σ = 1304123340. Its totient is φ = 1304123338.

The previous prime is 1304123323. The next prime is 1304123351. The reversal of 1304123339 is 9333214031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304123339 - 2⁴ = 1304123323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304113339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652061669 + 652061670.

It is an arithmetic number, because the mean of its divisors is an integer number (652061670).

Almost surely, 2^1304123339 is an apocalyptic number.

1304123339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304123339 is an equidigital number, since it uses as much as digits as its factorization.

1304123339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1304123339 is about 36112.6479090083. The cubic root of 1304123339 is about 1092.5455582696.

The spelling of 1304123339 in words is "one billion, three hundred four million, one hundred twenty-three thousand, three hundred thirty-nine".