124342140539 has 2 divisors, whose sum is σ = 124342140540. Its totient is φ = 124342140538.

The previous prime is 124342140499. The next prime is 124342140563. The reversal of 124342140539 is 935041243421.

It is a strong prime.

It is an emirp because it is prime and its reverse (935041243421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124342140539 is a prime.

It is not a weakly prime, because it can be changed into another prime (124342110539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62171070269 + 62171070270.

It is an arithmetic number, because the mean of its divisors is an integer number (62171070270).

Almost surely, 2^124342140539 is an apocalyptic number.

124342140539 is a deficient number, since it is larger than the sum of its proper divisors (1).

124342140539 is an equidigital number, since it uses as much as digits as its factorization.

124342140539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 124342140539 in words is "one hundred twenty-four billion, three hundred forty-two million, one hundred forty thousand, five hundred thirty-nine".