124001443135513 has 2 divisors, whose sum is σ = 124001443135514. Its totient is φ = 124001443135512.

The previous prime is 124001443135501. The next prime is 124001443135693. The reversal of 124001443135513 is 315531344100421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118686818345104 + 5314624790409 = 10894348^2 + 2305347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124001443135513 is a prime.

It is not a weakly prime, because it can be changed into another prime (124001443135013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000721567756 + 62000721567757.

It is an arithmetic number, because the mean of its divisors is an integer number (62000721567757).

Almost surely, 2^{124001443135513} is an apocalyptic number.

It is an amenable number.

124001443135513 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001443135513 is an equidigital number, since it uses as much as digits as its factorization.

124001443135513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 124001443135513 its reverse (315531344100421), we get a palindrome (439532787235934).

The spelling of 124001443135513 in words is "one hundred twenty-four trillion, one billion, four hundred forty-three million, one hundred thirty-five thousand, five hundred thirteen".