124124105 has 12 divisors (see below), whose sum is σ = 173267460. Its totient is φ = 85113504.

The previous prime is 124124087. The next prime is 124124107. The reversal of 124124105 is 501421421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 39778249 = 9184^2 + 6307^2 .

It is not a de Polignac number, because 124124105 - 2¹⁰ = 124123081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124124107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253070 + ... + 253559.

It is an arithmetic number, because the mean of its divisors is an integer number (14438955).

Almost surely, 2^124124105 is an apocalyptic number.

It is an amenable number.

124124105 is a deficient number, since it is larger than the sum of its proper divisors (49143355).

124124105 is an equidigital number, since it uses as much as digits as its factorization.

124124105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506648 (or 506641 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 124124105 is about 11141.0998110599. The cubic root of 124124105 is about 498.8294015372.

Adding to 124124105 its reverse (501421421), we get a palindrome (625545526).

The spelling of 124124105 in words is "one hundred twenty-four million, one hundred twenty-four thousand, one hundred five".