1331116 has 6 divisors (see below), whose sum is σ = 2329460. Its totient is φ = 665556.

The previous prime is 1331107. The next prime is 1331119. The reversal of 1331116 is 6111331.

1331116 = T₄₆₅ + T₄₆₆ + ... + T₄₇₆.

It is a self number, because there is not a number n which added to its sum of digits gives 1331116.

It is not an unprimeable number, because it can be changed into a prime (1331119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166386 + ... + 166393.

2^1331116 is an apocalyptic number.

It is an amenable number.

1331116 is a deficient number, since it is larger than the sum of its proper divisors (998344).

1331116 is a wasteful number, since it uses less digits than its factorization.

1331116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332783 (or 332781 counting only the distinct ones).

The product of its digits is 54, while the sum is 16.

The square root of 1331116 is about 1153.7400053738. The cubic root of 1331116 is about 110.0031954995.

Adding to 1331116 its reverse (6111331), we get a palindrome (7442447).

The spelling of 1331116 in words is "one million, three hundred thirty-one thousand, one hundred sixteen".