1136128 has 40 divisors (see below), whose sum is σ = 2602512. Its totient is φ = 485376.

The previous prime is 1136123. The next prime is 1136129. The reversal of 1136128 is 8216311.

It is a junction number, because it is equal to n+sod(n) for n = 1136099 and 1136108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136123) 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, 3426 + ... + 3742.

2^1136128 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 1136128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301256).

1136128 is an abundant number, since it is smaller than the sum of its proper divisors (1466384).

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

1136128 is an frugal number, since it uses more digits than its factorization.

1136128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 326 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1136128 is about 1065.8930527966. The cubic root of 1136128 is about 104.3459877293.

It can be divided in two parts, 113 and 6128, that added together give a square (6241 = 79²).

The spelling of 1136128 in words is "one million, one hundred thirty-six thousand, one hundred twenty-eight".