1133428 has 12 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 563192.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133428 is 8243311.

It is a junction number, because it is equal to n+sod(n) for n = 1133399 and 1133408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^1133428 is an apocalyptic number.

It is an amenable number.

1133428 is a deficient number, since it is larger than the sum of its proper divisors (862412).

1133428 is a wasteful number, since it uses less digits than its factorization.

1133428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1133428 is about 1064.6257558410. The cubic root of 1133428 is about 104.2632630006.

Adding to 1133428 its reverse (8243311), we get a palindrome (9376739).

The spelling of 1133428 in words is "one million, one hundred thirty-three thousand, four hundred twenty-eight".