1279051283 has 2 divisors, whose sum is σ = 1279051284. Its totient is φ = 1279051282.

The previous prime is 1279051247. The next prime is 1279051327. The reversal of 1279051283 is 3821509721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1279051283 - 2²⁰ = 1278002707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1279051223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639525641 + 639525642.

It is an arithmetic number, because the mean of its divisors is an integer number (639525642).

Almost surely, 2^1279051283 is an apocalyptic number.

1279051283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279051283 is an equidigital number, since it uses as much as digits as its factorization.

1279051283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1279051283 is about 35763.8264591472. The cubic root of 1279051283 is about 1085.4987288633.

The spelling of 1279051283 in words is "one billion, two hundred seventy-nine million, fifty-one thousand, two hundred eighty-three".