124805135844 has 72 divisors (see below), whose sum is σ = 328818427392. Its totient is φ = 39868813440.

The previous prime is 124805135837. The next prime is 124805135849. The reversal of 124805135844 is 448531508421.

124805135844 is a `hidden beast` number, since 1 + 2 + 4 + 80 + 513 + 58 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 124805135844.

It is not an unprimeable number, because it can be changed into a prime (124805135849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427929 + ... + 657824.

Almost surely, 2^124805135844 is an apocalyptic number.

It is an amenable number.

124805135844 is an abundant number, since it is smaller than the sum of its proper divisors (204013291548).

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

124805135844 is a wasteful number, since it uses less digits than its factorization.

124805135844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085897 (or 1085892 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 124805135844 in words is "one hundred twenty-four billion, eight hundred five million, one hundred thirty-five thousand, eight hundred forty-four".