124661056005 has 24 divisors (see below), whose sum is σ = 217455476472. Its totient is φ = 66062415744.

The previous prime is 124661055983. The next prime is 124661056019. The reversal of 124661056005 is 500650166421.

124661056005 is a `hidden beast` number, since 1 + 2 + 46 + 6 + 1 + 0 + 5 + 600 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 662702049 + 123998353956 = 25743^2 + 352134^2 .

It is not a de Polignac number, because 124661056005 - 2⁶ = 124661055941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8815374 + ... + 8829503.

It is an arithmetic number, because the mean of its divisors is an integer number (9060644853).

Almost surely, 2^124661056005 is an apocalyptic number.

124661056005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124661056005 is a deficient number, since it is larger than the sum of its proper divisors (92794420467).

124661056005 is a wasteful number, since it uses less digits than its factorization.

124661056005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17645045 (or 17645042 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 124661056005 in words is "one hundred twenty-four billion, six hundred sixty-one million, fifty-six thousand, five".