1133728 has 24 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 557760.

The previous prime is 1133689. The next prime is 1133731. The reversal of 1133728 is 8273311.

It is a super-3 number, since 3×1133728³ = 4371675046732333056, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1133728 is an apocalyptic number.

It is an amenable number.

1133728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1133728 is an equidigital number, since it uses as much as digits as its factorization.

1133728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1133728 is about 1064.7666411003. The cubic root of 1133728 is about 104.2724611204.

The spelling of 1133728 in words is "one million, one hundred thirty-three thousand, seven hundred twenty-eight".