1304144227 has 2 divisors, whose sum is σ = 1304144228. Its totient is φ = 1304144226.

The previous prime is 1304144209. The next prime is 1304144243. The reversal of 1304144227 is 7224414031.

It is a strong prime.

It is an emirp because it is prime and its reverse (7224414031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304144227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304144195 and 1304144204.

It is not a weakly prime, because it can be changed into another prime (1304141227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652072113 + 652072114.

It is an arithmetic number, because the mean of its divisors is an integer number (652072114).

Almost surely, 2^1304144227 is an apocalyptic number.

1304144227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304144227 is an equidigital number, since it uses as much as digits as its factorization.

1304144227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1304144227 is about 36112.9371140039. The cubic root of 1304144227 is about 1092.5513912991.

Adding to 1304144227 its reverse (7224414031), we get a palindrome (8528558258).

The spelling of 1304144227 in words is "one billion, three hundred four million, one hundred forty-four thousand, two hundred twenty-seven".