1099056 has 40 divisors (see below), whose sum is σ = 3245824. Its totient is φ = 313920.

The previous prime is 1099051. The next prime is 1099057. The reversal of 1099056 is 6509901.

It is a super-2 number, since 2×1099056² = 2415848182272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099051) 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 in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 1971.

2^1099056 is an apocalyptic number.

1099056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1099056 is an abundant number, since it is smaller than the sum of its proper divisors (2146768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099056 is a wasteful number, since it uses less digits than its factorization.

1099056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1099056 is about 1048.3587172338. The cubic root of 1099056 is about 103.1984736268.

The spelling of 1099056 in words is "one million, ninety-nine thousand, fifty-six".