124403045505 has 32 divisors (see below), whose sum is σ = 204980889600. Its totient is φ = 64398090432.

The previous prime is 124403045497. The next prime is 124403045527. The reversal of 124403045505 is 505540304421.

It is not a de Polignac number, because 124403045505 - 2³ = 124403045497 is a prime.

It is a super-2 number, since 2×124403045505² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 819759 + ... + 959588.

It is an arithmetic number, because the mean of its divisors is an integer number (6405652800).

Almost surely, 2^124403045505 is an apocalyptic number.

124403045505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124403045505 is a deficient number, since it is larger than the sum of its proper divisors (80577844095).

124403045505 is a wasteful number, since it uses less digits than its factorization.

124403045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779493.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 124403045505 its reverse (505540304421), we get a palindrome (629943349926).

The spelling of 124403045505 in words is "one hundred twenty-four billion, four hundred three million, forty-five thousand, five hundred five".