1223425 has 12 divisors (see below), whose sum is σ = 1734016. Its totient is φ = 838800.

The previous prime is 1223419. The next prime is 1223437. The reversal of 1223425 is 5243221.

It is not a de Polignac number, because 1223425 - 2⁹ = 1222913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3321 + ... + 3670.

2^1223425 is an apocalyptic number.

It is an amenable number.

1223425 is a deficient number, since it is larger than the sum of its proper divisors (510591).

1223425 is an equidigital number, since it uses as much as digits as its factorization.

1223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008 (or 7003 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 1223425 is about 1106.0854397378. The cubic root of 1223425 is about 106.9528717833.

Adding to 1223425 its reverse (5243221), we get a palindrome (6466646).

The spelling of 1223425 in words is "one million, two hundred twenty-three thousand, four hundred twenty-five".