1111312 has 10 divisors (see below), whose sum is σ = 2153198. Its totient is φ = 555648.

The previous prime is 1111301. The next prime is 1111333. The reversal of 1111312 is 2131111.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 364816 = 864^2 + 604^2 .

It is a super-2 number, since 2×1111312² = 2470028722688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34713 + ... + 34744.

2^1111312 is an apocalyptic number.

It is an amenable number.

1111312 is a deficient number, since it is larger than the sum of its proper divisors (1041886).

1111312 is an equidigital number, since it uses as much as digits as its factorization.

1111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69465 (or 69459 counting only the distinct ones).

The product of its digits is 6, while the sum is 10.

The square root of 1111312 is about 1054.1878390496. The cubic root of 1111312 is about 103.5806585738.

Adding to 1111312 its reverse (2131111), we get a palindrome (3242423).

The spelling of 1111312 in words is "one million, one hundred eleven thousand, three hundred twelve".