1126728 has 24 divisors (see below), whose sum is σ = 3051750. Its totient is φ = 375552.

The previous prime is 1126711. The next prime is 1126751. The reversal of 1126728 is 8276211.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 49284 = 1038^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 7753 + ... + 7896.

2^1126728 is an apocalyptic number.

1126728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1126728 is an abundant number, since it is smaller than the sum of its proper divisors (1925022).

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

1126728 is a wasteful number, since it uses less digits than its factorization.

1126728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661 (or 15654 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1126728 is about 1061.4744462303. The cubic root of 1126728 is about 104.0574140576.

The spelling of 1126728 in words is "one million, one hundred twenty-six thousand, seven hundred twenty-eight".