124420193 has 2 divisors, whose sum is σ = 124420194. Its totient is φ = 124420192.

The previous prime is 124420169. The next prime is 124420201. The reversal of 124420193 is 391024421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73839649 + 50580544 = 8593^2 + 7112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124420193 is a prime.

It is not a weakly prime, because it can be changed into another prime (124420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210096 + 62210097.

It is an arithmetic number, because the mean of its divisors is an integer number (62210097).

Almost surely, 2^124420193 is an apocalyptic number.

It is an amenable number.

124420193 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420193 is an equidigital number, since it uses as much as digits as its factorization.

124420193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 124420193 is about 11154.3799917342. The cubic root of 124420193 is about 499.2257256173.

The spelling of 124420193 in words is "one hundred twenty-four million, four hundred twenty thousand, one hundred ninety-three".