1304223077 has 2 divisors, whose sum is σ = 1304223078. Its totient is φ = 1304223076.

The previous prime is 1304223059. The next prime is 1304223133. The reversal of 1304223077 is 7703224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098988801 + 205234276 = 33151^2 + 14326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304223077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304223047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652111538 + 652111539.

It is an arithmetic number, because the mean of its divisors is an integer number (652111539).

Almost surely, 2^1304223077 is an apocalyptic number.

It is an amenable number.

1304223077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304223077 is an equidigital number, since it uses as much as digits as its factorization.

1304223077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1304223077 is about 36114.0288115297. The cubic root of 1304223077 is about 1092.5734098099.

The spelling of 1304223077 in words is "one billion, three hundred four million, two hundred twenty-three thousand, seventy-seven".