1201165 has 8 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 823632.

The previous prime is 1201163. The next prime is 1201171. The reversal of 1201165 is 5611021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201165 - 2¹ = 1201163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17125 + ... + 17194.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

2^1201165 is an apocalyptic number.

It is an amenable number.

1201165 is a deficient number, since it is larger than the sum of its proper divisors (446195).

1201165 is an equidigital number, since it uses as much as digits as its factorization.

1201165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34331.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1201165 is about 1095.9767333297. The cubic root of 1201165 is about 106.3002346077.

Adding to 1201165 its reverse (5611021), we get a palindrome (6812186).

The spelling of 1201165 in words is "one million, two hundred one thousand, one hundred sixty-five".