124666393 has 2 divisors, whose sum is σ = 124666394. Its totient is φ = 124666392.

The previous prime is 124666379. The next prime is 124666397. The reversal of 124666393 is 393666421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124612569 + 53824 = 11163^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 124666393 - 2⁹ = 124665881 is a prime.

It is not a weakly prime, because it can be changed into another prime (124666397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62333196 + 62333197.

It is an arithmetic number, because the mean of its divisors is an integer number (62333197).

Almost surely, 2^124666393 is an apocalyptic number.

It is an amenable number.

124666393 is a deficient number, since it is larger than the sum of its proper divisors (1).

124666393 is an equidigital number, since it uses as much as digits as its factorization.

124666393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 124666393 is about 11165.4105611930. The cubic root of 124666393 is about 499.5547943682.

The spelling of 124666393 in words is "one hundred twenty-four million, six hundred sixty-six thousand, three hundred ninety-three".