124642201 has 2 divisors, whose sum is σ = 124642202. Its totient is φ = 124642200.

The previous prime is 124642169. The next prime is 124642229. The reversal of 124642201 is 102246421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101022601 + 23619600 = 10051^2 + 4860^2 .

It is an emirp because it is prime and its reverse (102246421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124642201 - 2⁵ = 124642169 is a prime.

It is a super-3 number, since 3×124642201³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (124642241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62321100 + 62321101.

It is an arithmetic number, because the mean of its divisors is an integer number (62321101).

Almost surely, 2^124642201 is an apocalyptic number.

It is an amenable number.

124642201 is a deficient number, since it is larger than the sum of its proper divisors (1).

124642201 is an equidigital number, since it uses as much as digits as its factorization.

124642201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 124642201 is about 11164.3271628881. The cubic root of 124642201 is about 499.5224787588.

Adding to 124642201 its reverse (102246421), we get a palindrome (226888622).

The spelling of 124642201 in words is "one hundred twenty-four million, six hundred forty-two thousand, two hundred one".