12124225 has 12 divisors (see below), whose sum is σ = 15217776. Its totient is φ = 9580880.

The previous prime is 12124201. The next prime is 12124241. The reversal of 12124225 is 52242121.

It is not a de Polignac number, because 12124225 - 2⁷ = 12124097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (1268148).

Almost surely, 2^12124225 is an apocalyptic number.

It is an amenable number.

12124225 is a deficient number, since it is larger than the sum of its proper divisors (3093551).

12124225 is an equidigital number, since it uses as much as digits as its factorization.

12124225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936 (or 5931 counting only the distinct ones).

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

The square root of 12124225 is about 3481.9857840031. The cubic root of 12124225 is about 229.7301498075.

Adding to 12124225 its reverse (52242121), we get a palindrome (64366346).

The spelling of 12124225 in words is "twelve million, one hundred twenty-four thousand, two hundred twenty-five".