124420404405 has 48 divisors (see below), whose sum is σ = 219033380160. Its totient is φ = 60264948480.

The previous prime is 124420404391. The next prime is 124420404413. The reversal of 124420404405 is 504404024421.

It is not a de Polignac number, because 124420404405 - 2⁶ = 124420404341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1815849 + ... + 1883121.

It is an arithmetic number, because the mean of its divisors is an integer number (4563195420).

Almost surely, 2^124420404405 is an apocalyptic number.

124420404405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124420404405 is a deficient number, since it is larger than the sum of its proper divisors (94612975755).

124420404405 is a wasteful number, since it uses less digits than its factorization.

124420404405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68322 (or 68311 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 124420404405 its reverse (504404024421), we get a palindrome (628824428826).

It can be divided in two parts, 124420 and 404405, that added together give a palindrome (528825).

The spelling of 124420404405 in words is "one hundred twenty-four billion, four hundred twenty million, four hundred four thousand, four hundred five".