1121796 has 96 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 317952.

The previous prime is 1121737. The next prime is 1121819. The reversal of 1121796 is 6971211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23845 + ... + 23891.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2^1121796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1121796 is an abundant number, since it is smaller than the sum of its proper divisors (2265084).

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

1121796 is a wasteful number, since it uses less digits than its factorization.

1121796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 82 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1121796 is about 1059.1487147705. The cubic root of 1121796 is about 103.9053626265.

The spelling of 1121796 in words is "one million, one hundred twenty-one thousand, seven hundred ninety-six".