12225124 has 12 divisors (see below), whose sum is σ = 22131900. Its totient is φ = 5901728.

The previous prime is 12225107. The next prime is 12225149. The reversal of 12225124 is 42152221.

It can be written as a sum of positive squares in 2 ways, for example, as 8352100 + 3873024 = 2890^2 + 1968^2 .

It is a zygodrome in base 5.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52579 + ... + 52810.

It is an arithmetic number, because the mean of its divisors is an integer number (1844325).

Almost surely, 2^12225124 is an apocalyptic number.

It is an amenable number.

12225124 is a deficient number, since it is larger than the sum of its proper divisors (9906776).

12225124 is a wasteful number, since it uses less digits than its factorization.

12225124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105422 (or 105420 counting only the distinct ones).

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

The square root of 12225124 is about 3496.4444797537. Note that the first 4 decimals coincide. The cubic root of 12225124 is about 230.3656691148.

Adding to 12225124 its reverse (42152221), we get a palindrome (54377345).

The spelling of 12225124 in words is "twelve million, two hundred twenty-five thousand, one hundred twenty-four".