1112656 has 20 divisors (see below), whose sum is σ = 2172852. Its totient is φ = 551936.

The previous prime is 1112653. The next prime is 1112663. The reversal of 1112656 is 6562111.

It can be written as a sum of positive squares in 2 ways, for example, as 846400 + 266256 = 920^2 + 516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976 + ... + 3328.

2^1112656 is an apocalyptic number.

1112656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1112656 is a deficient number, since it is larger than the sum of its proper divisors (1060196).

1112656 is a wasteful number, since it uses less digits than its factorization.

1112656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 552 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1112656 is about 1054.8251039864. The cubic root of 1112656 is about 103.6223979241.

Adding to 1112656 its reverse (6562111), we get a palindrome (7674767).

It can be divided in two parts, 111265 and 6, that multiplied together give a triangular number (667590 = T₁₁₅₅).

The spelling of 1112656 in words is "one million, one hundred twelve thousand, six hundred fifty-six".