Adding to 124104 its reverse (401421), we get a palindrome (525525).
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 124104.
It is an unprimeable number.
124104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2124104 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124104 is a wasteful number, since it uses less digits than its factorization.
124104 is an evil number, because the sum of its binary digits is even.
The square root of 124104 is about 352.2839763600. The cubic root of 124104 is about 49.8802467455.
The spelling of 124104 in words is "one hundred twenty-four thousand, one hundred four", and thus it is an iban number.