124643 has 2 divisors, whose sum is σ = 124644. Its totient is φ = 124642.

The previous prime is 124633. The next prime is 124669. The reversal of 124643 is 346421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (346421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124643 - 2¹⁰ = 123619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (124633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62321 + 62322.

It is an arithmetic number, because the mean of its divisors is an integer number (62322).

2¹²⁴⁶⁴³ is an apocalyptic number.

124643 is a deficient number, since it is larger than the sum of its proper divisors (1).

124643 is an equidigital number, since it uses as much as digits as its factorization.

124643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 124643 is about 353.0481553556. The cubic root of 124643 is about 49.9523546128.

It can be divided in two parts, 124 and 643, that added together give a palindrome (767).

The spelling of 124643 in words is "one hundred twenty-four thousand, six hundred forty-three".