124011543243 has 32 divisors (see below), whose sum is σ = 189837619200. Its totient is φ = 70539075360.

The previous prime is 124011543223. The next prime is 124011543263. The reversal of 124011543243 is 342345110421.

It is an interprime number because it is at equal distance from previous prime (124011543223) and next prime (124011543263).

It is not a de Polignac number, because 124011543243 - 2⁶ = 124011543179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124011543243.

It is not an unprimeable number, because it can be changed into a prime (124011543223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4350708 + ... + 4379118.

It is an arithmetic number, because the mean of its divisors is an integer number (5932425600).

Almost surely, 2^124011543243 is an apocalyptic number.

124011543243 is a deficient number, since it is larger than the sum of its proper divisors (65826075957).

124011543243 is a wasteful number, since it uses less digits than its factorization.

124011543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29367.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 124011543243 its reverse (342345110421), we get a palindrome (466356653664).

The spelling of 124011543243 in words is "one hundred twenty-four billion, eleven million, five hundred forty-three thousand, two hundred forty-three".