1071065 has 4 divisors (see below), whose sum is σ = 1285284. Its totient is φ = 856848.

The previous prime is 1071061. The next prime is 1071067. The reversal of 1071065 is 5601701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5601701 = 7 ⋅800243.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 866761 = 452^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071065 - 2² = 1071061 is a prime.

It is a super-2 number, since 2×1071065² = 2294360468450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107102 + ... + 107111.

It is an arithmetic number, because the mean of its divisors is an integer number (321321).

2^1071065 is an apocalyptic number.

It is an amenable number.

1071065 is a deficient number, since it is larger than the sum of its proper divisors (214219).

1071065 is an equidigital number, since it uses as much as digits as its factorization.

1071065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214218.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1071065 is about 1034.9227024276. The cubic root of 1071065 is about 102.3148352459.

Adding to 1071065 its reverse (5601701), we get a palindrome (6672766).

The spelling of 1071065 in words is "one million, seventy-one thousand, sixty-five".