124221242141 has 2 divisors, whose sum is σ = 124221242142. Its totient is φ = 124221242140.

The previous prime is 124221242137. The next prime is 124221242177. The reversal of 124221242141 is 141242122421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78720086041 + 45501156100 = 280571^2 + 213310^2 .

It is a cyclic number.

It is not a de Polignac number, because 124221242141 - 2² = 124221242137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124221242141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124221142141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110621070 + 62110621071.

It is an arithmetic number, because the mean of its divisors is an integer number (62110621071).

Almost surely, 2^124221242141 is an apocalyptic number.

It is an amenable number.

124221242141 is a deficient number, since it is larger than the sum of its proper divisors (1).

124221242141 is an equidigital number, since it uses as much as digits as its factorization.

124221242141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 26.

Adding to 124221242141 its reverse (141242122421), we get a palindrome (265463364562).

The spelling of 124221242141 in words is "one hundred twenty-four billion, two hundred twenty-one million, two hundred forty-two thousand, one hundred forty-one".