1320138882427 has 2 divisors, whose sum is σ = 1320138882428. Its totient is φ = 1320138882426.

The previous prime is 1320138882343. The next prime is 1320138882527. The reversal of 1320138882427 is 7242888310231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320138882427 - 2¹⁹ = 1320138358139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320138882527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660069441213 + 660069441214.

It is an arithmetic number, because the mean of its divisors is an integer number (660069441214).

Almost surely, 2^{1320138882427} is an apocalyptic number.

1320138882427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320138882427 is an equidigital number, since it uses as much as digits as its factorization.

1320138882427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 1320138882427 in words is "one trillion, three hundred twenty billion, one hundred thirty-eight million, eight hundred eighty-two thousand, four hundred twenty-seven".