124421413 has 2 divisors, whose sum is σ = 124421414. Its totient is φ = 124421412.

The previous prime is 124421393. The next prime is 124421431. The reversal of 124421413 is 314124421.

It is a happy number.

Together with next prime (124421431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120165444 + 4255969 = 10962^2 + 2063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124421413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124421483) 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, 62210706 + 62210707.

It is an arithmetic number, because the mean of its divisors is an integer number (62210707).

Almost surely, 2^124421413 is an apocalyptic number.

It is an amenable number.

124421413 is a deficient number, since it is larger than the sum of its proper divisors (1).

124421413 is an equidigital number, since it uses as much as digits as its factorization.

124421413 is an odious number, because the sum of its binary digits is odd.

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

The square root of 124421413 is about 11154.4346786379. The cubic root of 124421413 is about 499.2273573283.

Adding to 124421413 its reverse (314124421), we get a palindrome (438545834).

The spelling of 124421413 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred thirteen".