124244121243 has 16 divisors (see below), whose sum is σ = 180736839936. Its totient is φ = 75291918240.

The previous prime is 124244121241. The next prime is 124244121289. The reversal of 124244121243 is 342121442421.

It is not a de Polignac number, because 124244121243 - 2¹ = 124244121241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124244121243.

It is not an unprimeable number, because it can be changed into a prime (124244121241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154746 + ... + 521952.

It is an arithmetic number, because the mean of its divisors is an integer number (11296052496).

Almost surely, 2^124244121243 is an apocalyptic number.

124244121243 is a deficient number, since it is larger than the sum of its proper divisors (56492718693).

124244121243 is a wasteful number, since it uses less digits than its factorization.

124244121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377474.

The product of its digits is 12288, while the sum is 30.

Adding to 124244121243 its reverse (342121442421), we get a palindrome (466365563664).

The spelling of 124244121243 in words is "one hundred twenty-four billion, two hundred forty-four million, one hundred twenty-one thousand, two hundred forty-three".