1170165 has 16 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 619200.

The previous prime is 1170139. The next prime is 1170167. The reversal of 1170165 is 5610711.

It is not a de Polignac number, because 1170165 - 2⁵ = 1170133 is a prime.

It is a super-2 number, since 2×1170165² = 2738572254450, which contains 22 as substring.

1170165 is a lucky number.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2^1170165 is an apocalyptic number.

1170165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1170165 is a deficient number, since it is larger than the sum of its proper divisors (716811).

1170165 is a wasteful number, since it uses less digits than its factorization.

1170165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1170165 is about 1081.7416512273. The cubic root of 1170165 is about 105.3777774935.

Adding to 1170165 its reverse (5610711), we get a palindrome (6780876).

The spelling of 1170165 in words is "one million, one hundred seventy thousand, one hundred sixty-five".