1128822 has 8 divisors (see below), whose sum is σ = 2257656. Its totient is φ = 376272.

The previous prime is 1128821. The next prime is 1128823. The reversal of 1128822 is 2288211.

It is an interprime number because it is at equal distance from previous prime (1128821) and next prime (1128823).

It is a sphenic number, since it is the product of 3 distinct primes.

1128822 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1128792 and 1128801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94063 + ... + 94074.

It is an arithmetic number, because the mean of its divisors is an integer number (282207).

2^1128822 is an apocalyptic number.

1128822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1128822 is a wasteful number, since it uses less digits than its factorization.

1128822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188142.

The product of its digits is 512, while the sum is 24.

The square root of 1128822 is about 1062.4603522014. The cubic root of 1128822 is about 104.1218369941.

The spelling of 1128822 in words is "one million, one hundred twenty-eight thousand, eight hundred twenty-two".