1112661 has 12 divisors (see below), whose sum is σ = 1753440. Its totient is φ = 674280.

The previous prime is 1112653. The next prime is 1112663. The reversal of 1112661 is 1662111.

1112661 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 661 = 666.

It is not a de Polignac number, because 1112661 - 2³ = 1112653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112663) 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 in 11 ways as a sum of consecutive naturals, for example, 5521 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (146120).

2^1112661 is an apocalyptic number.

1112661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112661 is a deficient number, since it is larger than the sum of its proper divisors (640779).

1112661 is a wasteful number, since it uses less digits than its factorization.

1112661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256 (or 11253 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1112661 is about 1054.8274740449. The cubic root of 1112661 is about 103.6225531417.

Adding to 1112661 its reverse (1662111), we get a palindrome (2774772).

It can be divided in two parts, 111 and 2661, that added together give a palindrome (2772).

The spelling of 1112661 in words is "one million, one hundred twelve thousand, six hundred sixty-one".