124442321 has 2 divisors, whose sum is σ = 124442322. Its totient is φ = 124442320.

The previous prime is 124442303. The next prime is 124442327. The reversal of 124442321 is 123244421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98227921 + 26214400 = 9911^2 + 5120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124442321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124442327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62221160 + 62221161.

It is an arithmetic number, because the mean of its divisors is an integer number (62221161).

Almost surely, 2^124442321 is an apocalyptic number.

It is an amenable number.

124442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

124442321 is an equidigital number, since it uses as much as digits as its factorization.

124442321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 124442321 is about 11155.3718449902. The cubic root of 124442321 is about 499.2553194524.

Adding to 124442321 its reverse (123244421), we get a palindrome (247686742).

The spelling of 124442321 in words is "one hundred twenty-four million, four hundred forty-two thousand, three hundred twenty-one".