1245424113979 has 2 divisors, whose sum is σ = 1245424113980. Its totient is φ = 1245424113978.

The previous prime is 1245424113971. The next prime is 1245424114043. The reversal of 1245424113979 is 9793114245421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1245424113979 - 2³ = 1245424113971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245424113971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622712056989 + 622712056990.

It is an arithmetic number, because the mean of its divisors is an integer number (622712056990).

Almost surely, 2^{1245424113979} is an apocalyptic number.

1245424113979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245424113979 is an equidigital number, since it uses as much as digits as its factorization.

1245424113979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 1245424113979 in words is "one trillion, two hundred forty-five billion, four hundred twenty-four million, one hundred thirteen thousand, nine hundred seventy-nine".