1066265 has 4 divisors (see below), whose sum is σ = 1279524. Its totient is φ = 853008.

The previous prime is 1066253. The next prime is 1066267. The reversal of 1066265 is 5626601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 808201 = 508^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066265 - 2¹² = 1062169 is a prime.

It is a super-2 number, since 2×1066265² = 2273842100450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106622 + ... + 106631.

It is an arithmetic number, because the mean of its divisors is an integer number (319881).

2^1066265 is an apocalyptic number.

It is an amenable number.

1066265 is a deficient number, since it is larger than the sum of its proper divisors (213259).

1066265 is an equidigital number, since it uses as much as digits as its factorization.

1066265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213258.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1066265 is about 1032.6010846401. The cubic root of 1066265 is about 102.1617643359.

It can be divided in two parts, 1066 and 265, that added together give a palindrome (1331).

The spelling of 1066265 in words is "one million, sixty-six thousand, two hundred sixty-five".