1120812 has 48 divisors (see below), whose sum is σ = 3263232. Its totient is φ = 290880.

The previous prime is 1120811. The next prime is 1120831. The reversal of 1120812 is 2180211.

It is a junction number, because it is equal to n+sod(n) for n = 1120791 and 1120800.

It is not an unprimeable number, because it can be changed into a prime (1120811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (67984).

2^1120812 is an apocalyptic number.

1120812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631616).

1120812 is an abundant number, since it is smaller than the sum of its proper divisors (2142420).

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

1120812 is a wasteful number, since it uses less digits than its factorization.

1120812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1120812 is about 1058.6840888575. The cubic root of 1120812 is about 103.8749730292.

The spelling of 1120812 in words is "one million, one hundred twenty thousand, eight hundred twelve".