1128036 has 48 divisors (see below), whose sum is σ = 3242624. Its totient is φ = 297216.

The previous prime is 1128031. The next prime is 1128037. The reversal of 1128036 is 6308211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1128031) 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, 576 + ... + 1608.

2^1128036 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 1128036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621312).

1128036 is an abundant number, since it is smaller than the sum of its proper divisors (2114588).

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

1128036 is a wasteful number, since it uses less digits than its factorization.

1128036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1128036 is about 1062.0903916334. The cubic root of 1128036 is about 104.0976646663.

The spelling of 1128036 in words is "one million, one hundred twenty-eight thousand, thirty-six".