1279982340227 has 2 divisors, whose sum is σ = 1279982340228. Its totient is φ = 1279982340226.

The previous prime is 1279982340199. The next prime is 1279982340269. The reversal of 1279982340227 is 7220432899721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1279982340227 - 2¹² = 1279982336131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1279982340727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639991170113 + 639991170114.

It is an arithmetic number, because the mean of its divisors is an integer number (639991170114).

Almost surely, 2^{1279982340227} is an apocalyptic number.

1279982340227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279982340227 is an equidigital number, since it uses as much as digits as its factorization.

1279982340227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 1279982340227 in words is "one trillion, two hundred seventy-nine billion, nine hundred eighty-two million, three hundred forty thousand, two hundred twenty-seven".