1152165 has 16 divisors (see below), whose sum is σ = 2107008. Its totient is φ = 526656.

The previous prime is 1152163. The next prime is 1152181. The reversal of 1152165 is 5612511.

It is not a de Polignac number, because 1152165 - 2¹ = 1152163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1152165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152161) 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, 5382 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (131688).

2^1152165 is an apocalyptic number.

1152165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152165 is a deficient number, since it is larger than the sum of its proper divisors (954843).

1152165 is a wasteful number, since it uses less digits than its factorization.

1152165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988.

The product of its digits is 300, while the sum is 21.

The square root of 1152165 is about 1073.3894912845. The cubic root of 1152165 is about 104.8346604175.

Adding to 1152165 its reverse (5612511), we get a palindrome (6764676).

The spelling of 1152165 in words is "one million, one hundred fifty-two thousand, one hundred sixty-five".