1230225 has 24 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 640320.

The previous prime is 1230223. The next prime is 1230227. The reversal of 1230225 is 5220321.

It is an interprime number because it is at equal distance from previous prime (1230223) and next prime (1230227).

It is not a de Polignac number, because 1230225 - 2¹ = 1230223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1230225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1230223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3351 + ... + 3699.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2^1230225 is an apocalyptic number.

1230225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230225 is a deficient number, since it is larger than the sum of its proper divisors (852975).

1230225 is a wasteful number, since it uses less digits than its factorization.

1230225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1230225 is about 1109.1550838363. The cubic root of 1230225 is about 107.1506597492.

Adding to 1230225 its reverse (5220321), we get a palindrome (6450546).

The spelling of 1230225 in words is "one million, two hundred thirty thousand, two hundred twenty-five".