124243 has 4 divisors (see below), whose sum is σ = 142000. Its totient is φ = 106488.

The previous prime is 124231. The next prime is 124247. The reversal of 124243 is 342421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124243 - 2⁹ = 123731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (35500).

2¹²⁴²⁴³ is an apocalyptic number.

124243 is a deficient number, since it is larger than the sum of its proper divisors (17757).

124243 is an equidigital number, since it uses as much as digits as its factorization.

124243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17756.

The product of its digits is 192, while the sum is 16.

The square root of 124243 is about 352.4812051727. The cubic root of 124243 is about 49.8988622276.

Adding to 124243 its reverse (342421), we get a palindrome (466664).

The spelling of 124243 in words is "one hundred twenty-four thousand, two hundred forty-three", and thus it is an iban number.