104124520 has 32 divisors (see below), whose sum is σ = 235175400. Its totient is φ = 41490688.

The previous prime is 104124511. The next prime is 104124523. The reversal of 104124520 is 25421401.

It can be written as a sum of positive squares in 4 ways, for example, as 67667076 + 36457444 = 8226^2 + 6038^2 .

It is not an unprimeable number, because it can be changed into a prime (104124523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5922 + ... + 15598.

Almost surely, 2^104124520 is an apocalyptic number.

104124520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104124520 is an abundant number, since it is smaller than the sum of its proper divisors (131050880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104124520 is a wasteful number, since it uses less digits than its factorization.

104124520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957 (or 9953 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 104124520 is about 10204.1422961462. The cubic root of 104124520 is about 470.4545474291.

Adding to 104124520 its reverse (25421401), we get a palindrome (129545921).

The spelling of 104124520 in words is "one hundred four million, one hundred twenty-four thousand, five hundred twenty".