1122856 has 16 divisors (see below), whose sum is σ = 2406240. Its totient is φ = 481200.

The previous prime is 1122841. The next prime is 1122857. The reversal of 1122856 is 6582211.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1122856.

It is not an unprimeable number, because it can be changed into a prime (1122857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9970 + ... + 10081.

It is an arithmetic number, because the mean of its divisors is an integer number (150390).

2^1122856 is an apocalyptic number.

It is an amenable number.

1122856 is an abundant number, since it is smaller than the sum of its proper divisors (1283384).

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

1122856 is a wasteful number, since it uses less digits than its factorization.

1122856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20064 (or 20060 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1122856 is about 1059.6489984896. The cubic root of 1122856 is about 103.9380795113.

The spelling of 1122856 in words is "one million, one hundred twenty-two thousand, eight hundred fifty-six".