1162128 has 80 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 336000.

The previous prime is 1162099. The next prime is 1162129. The reversal of 1162128 is 8212611.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1162129) 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, 16333 + ... + 16403.

2^1162128 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 1162128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714176).

1162128 is an abundant number, since it is smaller than the sum of its proper divisors (2266224).

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

1162128 is a wasteful number, since it uses less digits than its factorization.

1162128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 1162128 is about 1078.0204079701. The cubic root of 1162128 is about 105.1359689767.

Adding to 1162128 its reverse (8212611), we get a palindrome (9374739).

The spelling of 1162128 in words is "one million, one hundred sixty-two thousand, one hundred twenty-eight".