124380083521 has 2 divisors, whose sum is σ = 124380083522. Its totient is φ = 124380083520.

The previous prime is 124380083507. The next prime is 124380083539. The reversal of 124380083521 is 125380083421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116870994496 + 7509089025 = 341864^2 + 86655^2 .

It is a cyclic number.

It is not a de Polignac number, because 124380083521 - 2¹¹ = 124380081473 is a prime.

It is not a weakly prime, because it can be changed into another prime (124380083561) 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, 62190041760 + 62190041761.

It is an arithmetic number, because the mean of its divisors is an integer number (62190041761).

Almost surely, 2^124380083521 is an apocalyptic number.

It is an amenable number.

124380083521 is a deficient number, since it is larger than the sum of its proper divisors (1).

124380083521 is an equidigital number, since it uses as much as digits as its factorization.

124380083521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 124380083521 in words is "one hundred twenty-four billion, three hundred eighty million, eighty-three thousand, five hundred twenty-one".