1128776 has 32 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 504000.

The previous prime is 1128773. The next prime is 1128779. The reversal of 1128776 is 6778211.

It is an interprime number because it is at equal distance from previous prime (1128773) and next prime (1128779).

It is not an unprimeable number, because it can be changed into a prime (1128773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2^1128776 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 1128776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175040).

1128776 is an abundant number, since it is smaller than the sum of its proper divisors (1221304).

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

1128776 is a wasteful number, since it uses less digits than its factorization.

1128776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its digits is 4704, while the sum is 32.

The square root of 1128776 is about 1062.4387041143. The cubic root of 1128776 is about 104.1204226378.

It can be divided in two parts, 112 and 8776, that added together give a palindrome (8888).

The spelling of 1128776 in words is "one million, one hundred twenty-eight thousand, seven hundred seventy-six".