1040225 has 6 divisors (see below), whose sum is σ = 1289910. Its totient is φ = 832160.

The previous prime is 1040219. The next prime is 1040227. The reversal of 1040225 is 5220401.

It can be written as a sum of positive squares in 3 ways, for example, as 279841 + 760384 = 529^2 + 872^2 .

It is not a de Polignac number, because 1040225 - 2⁶ = 1040161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20780 + ... + 20829.

It is an arithmetic number, because the mean of its divisors is an integer number (214985).

2^1040225 is an apocalyptic number.

It is an amenable number.

1040225 is a deficient number, since it is larger than the sum of its proper divisors (249685).

1040225 is an equidigital number, since it uses as much as digits as its factorization.

1040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41619 (or 41614 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1040225 is about 1019.9142120786. The cubic root of 1040225 is about 101.3232462932.

Adding to 1040225 its reverse (5220401), we get a palindrome (6260626).

The spelling of 1040225 in words is "one million, forty thousand, two hundred twenty-five".