1065505 has 12 divisors (see below), whose sum is σ = 1487700. Its totient is φ = 730464.

The previous prime is 1065503. The next prime is 1065511. The reversal of 1065505 is 5055601.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 906304 = 399^2 + 952^2 .

It is not a de Polignac number, because 1065505 - 2¹ = 1065503 is a prime.

It is a super-2 number, since 2×1065505² = 2270601810050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (123975).

2^1065505 is an apocalyptic number.

It is an amenable number.

1065505 is a deficient number, since it is larger than the sum of its proper divisors (422195).

1065505 is an equidigital number, since it uses as much as digits as its factorization.

1065505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1065505 is about 1032.2330163292. The cubic root of 1065505 is about 102.1374860075.

The spelling of 1065505 in words is "one million, sixty-five thousand, five hundred five".