124321441243 has 4 divisors (see below), whose sum is σ = 124492448080. Its totient is φ = 124150434408.

The previous prime is 124321441217. The next prime is 124321441289. The reversal of 124321441243 is 342144123421.

It is a happy number.

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 124321441243 - 2¹³ = 124321433051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124321441043) 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, 85502328 + ... + 85503781.

It is an arithmetic number, because the mean of its divisors is an integer number (31123112020).

Almost surely, 2^124321441243 is an apocalyptic number.

124321441243 is a deficient number, since it is larger than the sum of its proper divisors (171006837).

124321441243 is an equidigital number, since it uses as much as digits as its factorization.

124321441243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171006836.

The product of its digits is 18432, while the sum is 31.

Adding to 124321441243 its reverse (342144123421), we get a palindrome (466465564664).

The spelling of 124321441243 in words is "one hundred twenty-four billion, three hundred twenty-one million, four hundred forty-one thousand, two hundred forty-three".