1304123377 has 2 divisors, whose sum is σ = 1304123378. Its totient is φ = 1304123376.

The previous prime is 1304123357. The next prime is 1304123441. The reversal of 1304123377 is 7733214031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253443216 + 50680161 = 35404^2 + 7119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304123377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304123357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652061688 + 652061689.

It is an arithmetic number, because the mean of its divisors is an integer number (652061689).

Almost surely, 2^1304123377 is an apocalyptic number.

It is an amenable number.

1304123377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304123377 is an equidigital number, since it uses as much as digits as its factorization.

1304123377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1304123377 is about 36112.6484351397. The cubic root of 1304123377 is about 1092.5455688813.

The spelling of 1304123377 in words is "one billion, three hundred four million, one hundred twenty-three thousand, three hundred seventy-seven".