1224025 has 12 divisors (see below), whose sum is σ = 1656144. Its totient is φ = 890000.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1224025 is 5204221.

It is not a de Polignac number, because 1224025 - 2⁵ = 1223993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224029) 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 11 ways as a sum of consecutive naturals, for example, 1951 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (138012).

2^1224025 is an apocalyptic number.

It is an amenable number.

1224025 is a deficient number, since it is larger than the sum of its proper divisors (432119).

1224025 is a wasteful number, since it uses less digits than its factorization.

1224025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1224025 is about 1106.3566332788. The cubic root of 1224025 is about 106.9703530989.

Adding to 1224025 its reverse (5204221), we get a palindrome (6428246).

The spelling of 1224025 in words is "one million, two hundred twenty-four thousand, twenty-five".