124085504281 has 2 divisors, whose sum is σ = 124085504282. Its totient is φ = 124085504280.

The previous prime is 124085504273. The next prime is 124085504353. The reversal of 124085504281 is 182405580421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122990490000 + 1095014281 = 350700^2 + 33091^2 .

It is a cyclic number.

It is not a de Polignac number, because 124085504281 - 2³ = 124085504273 is a prime.

It is a super-2 number, since 2×124085504281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124085514281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62042752140 + 62042752141.

It is an arithmetic number, because the mean of its divisors is an integer number (62042752141).

Almost surely, 2^124085504281 is an apocalyptic number.

It is an amenable number.

124085504281 is a deficient number, since it is larger than the sum of its proper divisors (1).

124085504281 is an equidigital number, since it uses as much as digits as its factorization.

124085504281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 124085504281 in words is "one hundred twenty-four billion, eighty-five million, five hundred four thousand, two hundred eighty-one".