124013520055 has 4 divisors (see below), whose sum is σ = 148816224072. Its totient is φ = 99210816040.

The previous prime is 124013519899. The next prime is 124013520067. The reversal of 124013520055 is 550025310421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550025310421 = 1069 ⋅514523209.

It is not a de Polignac number, because 124013520055 - 2¹⁹ = 124012995767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12401352001 + ... + 12401352010.

It is an arithmetic number, because the mean of its divisors is an integer number (37204056018).

Almost surely, 2^124013520055 is an apocalyptic number.

124013520055 is a deficient number, since it is larger than the sum of its proper divisors (24802704017).

124013520055 is an equidigital number, since it uses as much as digits as its factorization.

124013520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802704016.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 124013520055 its reverse (550025310421), we get a palindrome (674038830476).

The spelling of 124013520055 in words is "one hundred twenty-four billion, thirteen million, five hundred twenty thousand, fifty-five".