1131286 has 12 divisors (see below), whose sum is σ = 1838052. Its totient is φ = 521976.

The previous prime is 1131271. The next prime is 1131307. The reversal of 1131286 is 6821311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1336 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (153171).

2^1131286 is an apocalyptic number.

1131286 is a deficient number, since it is larger than the sum of its proper divisors (706766).

1131286 is a wasteful number, since it uses less digits than its factorization.

1131286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3362 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1131286 is about 1063.6192927923. The cubic root of 1131286 is about 104.1975412125.

Adding to 1131286 its reverse (6821311), we get a palindrome (7952597).

The spelling of 1131286 in words is "one million, one hundred thirty-one thousand, two hundred eighty-six".