124100115613 has 2 divisors, whose sum is σ = 124100115614. Its totient is φ = 124100115612.

The previous prime is 124100115611. The next prime is 124100115661. The reversal of 124100115613 is 316511001421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121367230884 + 2732884729 = 348378^2 + 52277^2 .

It is a cyclic number.

It is not a de Polignac number, because 124100115613 - 2¹ = 124100115611 is a prime.

Together with 124100115611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124100115611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62050057806 + 62050057807.

It is an arithmetic number, because the mean of its divisors is an integer number (62050057807).

Almost surely, 2^124100115613 is an apocalyptic number.

It is an amenable number.

124100115613 is a deficient number, since it is larger than the sum of its proper divisors (1).

124100115613 is an equidigital number, since it uses as much as digits as its factorization.

124100115613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 124100115613 in words is "one hundred twenty-four billion, one hundred million, one hundred fifteen thousand, six hundred thirteen".