1276239883 has 2 divisors, whose sum is σ = 1276239884. Its totient is φ = 1276239882.

The previous prime is 1276239863. The next prime is 1276239901. The reversal of 1276239883 is 3889326721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1276239883 - 2⁵ = 1276239851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1276239863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638119941 + 638119942.

It is an arithmetic number, because the mean of its divisors is an integer number (638119942).

Almost surely, 2^1276239883 is an apocalyptic number.

1276239883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276239883 is an equidigital number, since it uses as much as digits as its factorization.

1276239883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 1276239883 is about 35724.4997585690. The cubic root of 1276239883 is about 1084.7028238910.

The spelling of 1276239883 in words is "one billion, two hundred seventy-six million, two hundred thirty-nine thousand, eight hundred eighty-three".