124421447 has 2 divisors, whose sum is σ = 124421448. Its totient is φ = 124421446.

The previous prime is 124421431. The next prime is 124421477. The reversal of 124421447 is 744124421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124421447 - 2⁴ = 124421431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124421477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210723 + 62210724.

It is an arithmetic number, because the mean of its divisors is an integer number (62210724).

Almost surely, 2^124421447 is an apocalyptic number.

124421447 is a deficient number, since it is larger than the sum of its proper divisors (1).

124421447 is an equidigital number, since it uses as much as digits as its factorization.

124421447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 29.

The square root of 124421447 is about 11154.4362026953. The cubic root of 124421447 is about 499.2274028020.

Adding to 124421447 its reverse (744124421), we get a palindrome (868545868).

The spelling of 124421447 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-seven".