120126341637613 has 2 divisors, whose sum is σ = 120126341637614. Its totient is φ = 120126341637612.

The previous prime is 120126341637571. The next prime is 120126341637707. The reversal of 120126341637613 is 316736143621021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119966850831844 + 159490805769 = 10952938^2 + 399363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120126341637613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120126341637413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60063170818806 + 60063170818807.

It is an arithmetic number, because the mean of its divisors is an integer number (60063170818807).

Almost surely, 2^{120126341637613} is an apocalyptic number.

It is an amenable number.

120126341637613 is a deficient number, since it is larger than the sum of its proper divisors (1).

120126341637613 is an equidigital number, since it uses as much as digits as its factorization.

120126341637613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 120126341637613 in words is "one hundred twenty trillion, one hundred twenty-six billion, three hundred forty-one million, six hundred thirty-seven thousand, six hundred thirteen".