1164065 has 16 divisors (see below), whose sum is σ = 1620480. Its totient is φ = 786240.

The previous prime is 1164043. The next prime is 1164067. The reversal of 1164065 is 5604611.

It is not a de Polignac number, because 1164065 - 2⁶ = 1164001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1164065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (101280).

2^1164065 is an apocalyptic number.

It is an amenable number.

1164065 is a deficient number, since it is larger than the sum of its proper divisors (456415).

1164065 is an equidigital number, since it uses as much as digits as its factorization.

1164065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1164065 is about 1078.9184399203. The cubic root of 1164065 is about 105.1943490437.

Adding to 1164065 its reverse (5604611), we get a palindrome (6768676).

The spelling of 1164065 in words is "one million, one hundred sixty-four thousand, sixty-five".