1120823 has 12 divisors (see below), whose sum is σ = 1260840. Its totient is φ = 995280.

The previous prime is 1120811. The next prime is 1120831. The reversal of 1120823 is 3280211.

It is not a de Polignac number, because 1120823 - 2⁴ = 1120807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7061 + ... + 7217.

It is an arithmetic number, because the mean of its divisors is an integer number (105070).

2^1120823 is an apocalyptic number.

1120823 is a deficient number, since it is larger than the sum of its proper divisors (140017).

1120823 is a wasteful number, since it uses less digits than its factorization.

1120823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1120823 is about 1058.6892839733. The cubic root of 1120823 is about 103.8753128486.

The spelling of 1120823 in words is "one million, one hundred twenty thousand, eight hundred twenty-three".