124143424542 has 24 divisors (see below), whose sum is σ = 269284155816. Its totient is φ = 41333951376.

The previous prime is 124143424541. The next prime is 124143424597. The reversal of 124143424542 is 245424341421.

124143424542 is a `hidden beast` number, since 1 + 24 + 143 + 42 + 454 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 124143424497 and 124143424506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124143424541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3916288 + ... + 3947859.

It is an arithmetic number, because the mean of its divisors is an integer number (11220173159).

Almost surely, 2^124143424542 is an apocalyptic number.

124143424542 is an abundant number, since it is smaller than the sum of its proper divisors (145140731274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124143424542 is a wasteful number, since it uses less digits than its factorization.

124143424542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865032 (or 7865029 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 124143424542 its reverse (245424341421), we get a palindrome (369567765963).

The spelling of 124143424542 in words is "one hundred twenty-four billion, one hundred forty-three million, four hundred twenty-four thousand, five hundred forty-two".