1161286 has 16 divisors (see below), whose sum is σ = 2011680. Its totient is φ = 492480.

The previous prime is 1161269. The next prime is 1161289. The reversal of 1161286 is 6821611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161289) 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, 1146 + ... + 1906.

It is an arithmetic number, because the mean of its divisors is an integer number (125730).

2^1161286 is an apocalyptic number.

1161286 is a deficient number, since it is larger than the sum of its proper divisors (850394).

1161286 is a wasteful number, since it uses less digits than its factorization.

1161286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its digits is 576, while the sum is 25.

The square root of 1161286 is about 1077.6298065662. The cubic root of 1161286 is about 105.1105713515.

Adding to 1161286 its reverse (6821611), we get a palindrome (7982897).

The spelling of 1161286 in words is "one million, one hundred sixty-one thousand, two hundred eighty-six".