124040243 has 8 divisors (see below), whose sum is σ = 129554160. Its totient is φ = 118640160.

The previous prime is 124040239. The next prime is 124040261. The reversal of 124040243 is 342040421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124040243 - 2² = 124040239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124040233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26228 + ... + 30593.

It is an arithmetic number, because the mean of its divisors is an integer number (16194270).

Almost surely, 2^124040243 is an apocalyptic number.

124040243 is a deficient number, since it is larger than the sum of its proper divisors (5513917).

124040243 is an equidigital number, since it uses as much as digits as its factorization.

124040243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56917.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124040243 is about 11137.3355431180. The cubic root of 124040243 is about 498.7170348164.

Adding to 124040243 its reverse (342040421), we get a palindrome (466080664).

The spelling of 124040243 in words is "one hundred twenty-four million, forty thousand, two hundred forty-three".