1276314629 has 2 divisors, whose sum is σ = 1276314630. Its totient is φ = 1276314628.

The previous prime is 1276314623. The next prime is 1276314631. The reversal of 1276314629 is 9264136721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155864004 + 120450625 = 33998^2 + 10975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1276314629 - 2²⁰ = 1275266053 is a prime.

Together with 1276314631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1276314623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638157314 + 638157315.

It is an arithmetic number, because the mean of its divisors is an integer number (638157315).

Almost surely, 2^1276314629 is an apocalyptic number.

It is an amenable number.

1276314629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276314629 is an equidigital number, since it uses as much as digits as its factorization.

1276314629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 1276314629 is about 35725.5458880617. The cubic root of 1276314629 is about 1084.7239995377.

The spelling of 1276314629 in words is "one billion, two hundred seventy-six million, three hundred fourteen thousand, six hundred twenty-nine".