1132428 has 48 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 327360.

The previous prime is 1132423. The next prime is 1132429. The reversal of 1132428 is 8242311.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1132423) 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, 2850 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (62832).

2^1132428 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 1132428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507968).

1132428 is an abundant number, since it is smaller than the sum of its proper divisors (1883508).

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

1132428 is a wasteful number, since it uses less digits than its factorization.

1132428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1132428 is about 1064.1560036010. The cubic root of 1132428 is about 104.2325908740.

Adding to 1132428 its reverse (8242311), we get a palindrome (9374739).

The spelling of 1132428 in words is "one million, one hundred thirty-two thousand, four hundred twenty-eight".