1128272 has 20 divisors (see below), whose sum is σ = 2205216. Its totient is φ = 559200.

The previous prime is 1128251. The next prime is 1128287. The reversal of 1128272 is 2728211.

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, 2183 + ... + 2649.

2^1128272 is an apocalyptic number.

It is an amenable number.

1128272 is a deficient number, since it is larger than the sum of its proper divisors (1076944).

1128272 is a wasteful number, since it uses less digits than its factorization.

1128272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 620 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 1128272 is about 1062.2014874778. The cubic root of 1128272 is about 104.1049236946.

The spelling of 1128272 in words is "one million, one hundred twenty-eight thousand, two hundred seventy-two".