1128548 has 12 divisors (see below), whose sum is σ = 2004912. Its totient is φ = 555720.

The previous prime is 1128539. The next prime is 1128553. The reversal of 1128548 is 8458211.

It is a self number, because there is not a number n which added to its sum of digits gives 1128548.

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, 1838 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^1128548 is an apocalyptic number.

It is an amenable number.

1128548 is a deficient number, since it is larger than the sum of its proper divisors (876364).

1128548 is a wasteful number, since it uses less digits than its factorization.

1128548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4280 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 1128548 is about 1062.3313983875. The cubic root of 1128548 is about 104.1134117827.

It can be divided in two parts, 11 and 28548, that multiplied together give a triangular number (314028 = T₇₉₂).

The spelling of 1128548 in words is "one million, one hundred twenty-eight thousand, five hundred forty-eight".