124312220120461 has 2 divisors, whose sum is σ = 124312220120462. Its totient is φ = 124312220120460.

The previous prime is 124312220120393. The next prime is 124312220120471. The reversal of 124312220120461 is 164021022213421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110110394222500 + 14201825897961 = 10493350^2 + 3768531^2 .

It is an emirp because it is prime and its reverse (164021022213421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124312220120461 - 2²⁷ = 124312085902733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124312220120471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156110060230 + 62156110060231.

It is an arithmetic number, because the mean of its divisors is an integer number (62156110060231).

Almost surely, 2^{124312220120461} is an apocalyptic number.

It is an amenable number.

124312220120461 is a deficient number, since it is larger than the sum of its proper divisors (1).

124312220120461 is an equidigital number, since it uses as much as digits as its factorization.

124312220120461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 124312220120461 its reverse (164021022213421), we get a palindrome (288333242333882).

The spelling of 124312220120461 in words is "one hundred twenty-four trillion, three hundred twelve billion, two hundred twenty million, one hundred twenty thousand, four hundred sixty-one".