1042025 has 6 divisors (see below), whose sum is σ = 1292142. Its totient is φ = 833600.

The previous prime is 1042021. The next prime is 1042039. The reversal of 1042025 is 5202401.

It can be written as a sum of positive squares in 3 ways, for example, as 190096 + 851929 = 436^2 + 923^2 .

It is not a de Polignac number, because 1042025 - 2² = 1042021 is a prime.

It is a super-2 number, since 2×1042025² = 2171632201250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042021) 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 5 ways as a sum of consecutive naturals, for example, 20816 + ... + 20865.

It is an arithmetic number, because the mean of its divisors is an integer number (215357).

2^1042025 is an apocalyptic number.

It is an amenable number.

1042025 is a deficient number, since it is larger than the sum of its proper divisors (250117).

1042025 is an equidigital number, since it uses as much as digits as its factorization.

1042025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41691 (or 41686 counting only the distinct ones).

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

The square root of 1042025 is about 1020.7962578301. The cubic root of 1042025 is about 101.3816556908.

Adding to 1042025 its reverse (5202401), we get a palindrome (6244426).

The spelling of 1042025 in words is "one million, forty-two thousand, twenty-five".