124443313 has 2 divisors, whose sum is σ = 124443314. Its totient is φ = 124443312.

The previous prime is 124443301. The next prime is 124443329. The reversal of 124443313 is 313344421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 54937744 = 8337^2 + 7412^2 .

It is a cyclic number.

It is not a de Polignac number, because 124443313 - 2²⁵ = 90888881 is a prime.

It is a super-2 number, since 2×124443313² = 30972276300831938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124443343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62221656 + 62221657.

It is an arithmetic number, because the mean of its divisors is an integer number (62221657).

Almost surely, 2^124443313 is an apocalyptic number.

It is an amenable number.

124443313 is a deficient number, since it is larger than the sum of its proper divisors (1).

124443313 is an equidigital number, since it uses as much as digits as its factorization.

124443313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 124443313 is about 11155.4163077852. The cubic root of 124443313 is about 499.2566460642.

Adding to 124443313 its reverse (313344421), we get a palindrome (437787734).

The spelling of 124443313 in words is "one hundred twenty-four million, four hundred forty-three thousand, three hundred thirteen".