124321441217 has 2 divisors, whose sum is σ = 124321441218. Its totient is φ = 124321441216.

The previous prime is 124321441199. The next prime is 124321441289. The reversal of 124321441217 is 712144123421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94627603456 + 29693837761 = 307616^2 + 172319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124321441217 is a prime.

It is not a weakly prime, because it can be changed into another prime (124321443217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62160720608 + 62160720609.

It is an arithmetic number, because the mean of its divisors is an integer number (62160720609).

Almost surely, 2^124321441217 is an apocalyptic number.

It is an amenable number.

124321441217 is a deficient number, since it is larger than the sum of its proper divisors (1).

124321441217 is an equidigital number, since it uses as much as digits as its factorization.

124321441217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

Adding to 124321441217 its reverse (712144123421), we get a palindrome (836465564638).

The spelling of 124321441217 in words is "one hundred twenty-four billion, three hundred twenty-one million, four hundred forty-one thousand, two hundred seventeen".