124221142141 has 2 divisors, whose sum is σ = 124221142142. Its totient is φ = 124221142140.

The previous prime is 124221142139. The next prime is 124221142147. The reversal of 124221142141 is 141241122421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121825431225 + 2395710916 = 349035^2 + 48946^2 .

It is a cyclic number.

It is not a de Polignac number, because 124221142141 - 2¹ = 124221142139 is a prime.

Together with 124221142139, 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 (124221142147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110571070 + 62110571071.

It is an arithmetic number, because the mean of its divisors is an integer number (62110571071).

Almost surely, 2^124221142141 is an apocalyptic number.

It is an amenable number.

124221142141 is a deficient number, since it is larger than the sum of its proper divisors (1).

124221142141 is an equidigital number, since it uses as much as digits as its factorization.

124221142141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

Adding to 124221142141 its reverse (141241122421), we get a palindrome (265462264562).

The spelling of 124221142141 in words is "one hundred twenty-four billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred forty-one".