1100056 has 8 divisors (see below), whose sum is σ = 2062620. Its totient is φ = 550024.

The previous prime is 1100051. The next prime is 1100063. The reversal of 1100056 is 6500011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68746 + ... + 68761.

2^1100056 is an apocalyptic number.

It is an amenable number.

1100056 is a deficient number, since it is larger than the sum of its proper divisors (962564).

1100056 is a wasteful number, since it uses less digits than its factorization.

1100056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137513 (or 137509 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1100056 is about 1048.8355447829. The cubic root of 1100056 is about 103.2297632640.

Adding to 1100056 its reverse (6500011), we get a palindrome (7600067).

It can be divided in two parts, 110005 and 6, that added together give a palindrome (110011).

The spelling of 1100056 in words is "one million, one hundred thousand, fifty-six".