124013340243 has 72 divisors (see below), whose sum is σ = 196867008000. Its totient is φ = 75180426048.

The previous prime is 124013340223. The next prime is 124013340247. The reversal of 124013340243 is 342043310421.

124013340243 is a `hidden beast` number, since 1 + 240 + 13 + 3 + 402 + 4 + 3 = 666.

It is not a de Polignac number, because 124013340243 - 2⁹ = 124013339731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124013340247) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71974380 + ... + 71976102.

It is an arithmetic number, because the mean of its divisors is an integer number (2734264000).

Almost surely, 2^124013340243 is an apocalyptic number.

124013340243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124013340243 is a deficient number, since it is larger than the sum of its proper divisors (72853667757).

124013340243 is a wasteful number, since it uses less digits than its factorization.

124013340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 124013340243 its reverse (342043310421), we get a palindrome (466056650664).

The spelling of 124013340243 in words is "one hundred twenty-four billion, thirteen million, three hundred forty thousand, two hundred forty-three".