124640104 has 16 divisors (see below), whose sum is σ = 236517120. Its totient is φ = 61568880.

The previous prime is 124640093. The next prime is 124640129. The reversal of 124640104 is 401046421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93192 + ... + 94519.

It is an arithmetic number, because the mean of its divisors is an integer number (14782320).

Almost surely, 2^124640104 is an apocalyptic number.

It is an amenable number.

124640104 is a deficient number, since it is larger than the sum of its proper divisors (111877016).

124640104 is a wasteful number, since it uses less digits than its factorization.

124640104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187800 (or 187796 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 124640104 is about 11164.2332472947. The cubic root of 124640104 is about 499.5196773948.

Adding to 124640104 its reverse (401046421), we get a palindrome (525686525).

The spelling of 124640104 in words is "one hundred twenty-four million, six hundred forty thousand, one hundred four".