1128575 has 12 divisors (see below), whose sum is σ = 1599600. Its totient is φ = 773760.

The previous prime is 1128557. The next prime is 1128577. The reversal of 1128575 is 5758211.

It is not a de Polignac number, because 1128575 - 2¹⁶ = 1063039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3050 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (133300).

2^1128575 is an apocalyptic number.

1128575 is a deficient number, since it is larger than the sum of its proper divisors (471025).

1128575 is an equidigital number, since it uses as much as digits as its factorization.

1128575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6461 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 1128575 is about 1062.3441062104. The cubic root of 1128575 is about 104.1142420648.

It can be divided in two parts, 112 and 8575, that multiplied together give a square (960400 = 980²).

The spelling of 1128575 in words is "one million, one hundred twenty-eight thousand, five hundred seventy-five".