124420025573 has 2 divisors, whose sum is σ = 124420025574. Its totient is φ = 124420025572.

The previous prime is 124420025519. The next prime is 124420025623. The reversal of 124420025573 is 375520024421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111524606209 + 12895419364 = 333953^2 + 113558^2 .

It is a cyclic number.

It is not a de Polignac number, because 124420025573 - 2²² = 124415831269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124420045573) 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, 62210012786 + 62210012787.

It is an arithmetic number, because the mean of its divisors is an integer number (62210012787).

Almost surely, 2^124420025573 is an apocalyptic number.

It is an amenable number.

124420025573 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420025573 is an equidigital number, since it uses as much as digits as its factorization.

124420025573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 124420025573 its reverse (375520024421), we get a palindrome (499940049994).

The spelling of 124420025573 in words is "one hundred twenty-four billion, four hundred twenty million, twenty-five thousand, five hundred seventy-three".