1279930063 has 2 divisors, whose sum is σ = 1279930064. Its totient is φ = 1279930062.

The previous prime is 1279930039. The next prime is 1279930111. The reversal of 1279930063 is 3600399721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1279930063 - 2⁵ = 1279930031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1279929998 and 1279930025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1279930163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639965031 + 639965032.

It is an arithmetic number, because the mean of its divisors is an integer number (639965032).

Almost surely, 2^1279930063 is an apocalyptic number.

1279930063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279930063 is an equidigital number, since it uses as much as digits as its factorization.

1279930063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 1279930063 is about 35776.1102273570. The cubic root of 1279930063 is about 1085.7472714627.

The spelling of 1279930063 in words is "one billion, two hundred seventy-nine million, nine hundred thirty thousand, sixty-three".