124420393 has 2 divisors, whose sum is σ = 124420394. Its totient is φ = 124420392.

The previous prime is 124420343. The next prime is 124420427. The reversal of 124420393 is 393024421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90687529 + 33732864 = 9523^2 + 5808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124420393 is a prime.

It is not a weakly prime, because it can be changed into another prime (124420313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210196 + 62210197.

It is an arithmetic number, because the mean of its divisors is an integer number (62210197).

Almost surely, 2^124420393 is an apocalyptic number.

It is an amenable number.

124420393 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420393 is an equidigital number, since it uses as much as digits as its factorization.

124420393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 124420393 is about 11154.3889568187. The cubic root of 124420393 is about 499.2259931116.

The spelling of 124420393 in words is "one hundred twenty-four million, four hundred twenty thousand, three hundred ninety-three".