1165365 has 48 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 556416.

The previous prime is 1165363. The next prime is 1165379. The reversal of 1165365 is 5635611.

It is a happy number.

1165365 is a `hidden beast` number, since 1 + 1 + 653 + 6 + 5 = 666.

It is not a de Polignac number, because 1165365 - 2¹ = 1165363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24772 + ... + 24818.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2^1165365 is an apocalyptic number.

1165365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1165365 is a deficient number, since it is larger than the sum of its proper divisors (1081035).

1165365 is a wasteful number, since it uses less digits than its factorization.

1165365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 103 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1165365 is about 1079.5207269895. The cubic root of 1165365 is about 105.2334939878.

The spelling of 1165365 in words is "one million, one hundred sixty-five thousand, three hundred sixty-five".