1224125 has 16 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 838800.

The previous prime is 1224121. The next prime is 1224131. The reversal of 1224125 is 5214221.

It is not a de Polignac number, because 1224125 - 2² = 1224121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^1224125 is an apocalyptic number.

It is an amenable number.

1224125 is a deficient number, since it is larger than the sum of its proper divisors (523075).

1224125 is an equidigital number, since it uses as much as digits as its factorization.

1224125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1411 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 1224125 is about 1106.4018257396. The cubic root of 1224125 is about 106.9732660960.

Adding to 1224125 its reverse (5214221), we get a palindrome (6438346).

The spelling of 1224125 in words is "one million, two hundred twenty-four thousand, one hundred twenty-five".