124202144220317 has 2 divisors, whose sum is σ = 124202144220318. Its totient is φ = 124202144220316.

The previous prime is 124202144220307. The next prime is 124202144220433. The reversal of 124202144220317 is 713022441202421.

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., 123782669086756 + 419475133561 = 11125766^2 + 647669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124202144220317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124202144220307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62101072110158 + 62101072110159.

It is an arithmetic number, because the mean of its divisors is an integer number (62101072110159).

Almost surely, 2^{124202144220317} is an apocalyptic number.

It is an amenable number.

124202144220317 is a deficient number, since it is larger than the sum of its proper divisors (1).

124202144220317 is an equidigital number, since it uses as much as digits as its factorization.

124202144220317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 124202144220317 its reverse (713022441202421), we get a palindrome (837224585422738).

The spelling of 124202144220317 in words is "one hundred twenty-four trillion, two hundred two billion, one hundred forty-four million, two hundred twenty thousand, three hundred seventeen".