124420201 has 2 divisors, whose sum is σ = 124420202. Its totient is φ = 124420200.

The previous prime is 124420193. The next prime is 124420207. The reversal of 124420201 is 102024421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 24019801 = 10020^2 + 4901^2 .

It is an emirp because it is prime and its reverse (102024421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124420201 - 2³ = 124420193 is a prime.

It is not a weakly prime, because it can be changed into another prime (124420207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210100 + 62210101.

It is an arithmetic number, because the mean of its divisors is an integer number (62210101).

Almost surely, 2^124420201 is an apocalyptic number.

It is an amenable number.

124420201 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420201 is an equidigital number, since it uses as much as digits as its factorization.

124420201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 124420201 is about 11154.3803503377. The cubic root of 124420201 is about 499.2257363170.

Adding to 124420201 its reverse (102024421), we get a palindrome (226444622).

The spelling of 124420201 in words is "one hundred twenty-four million, four hundred twenty thousand, two hundred one".