1128085 has 16 divisors (see below), whose sum is σ = 1564416. Its totient is φ = 764928.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128085 is 5808211.

It is a cyclic number.

It is not a de Polignac number, because 1128085 - 2⁷ = 1127957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (97776).

2^1128085 is an apocalyptic number.

It is an amenable number.

1128085 is a deficient number, since it is larger than the sum of its proper divisors (436331).

1128085 is a wasteful number, since it uses less digits than its factorization.

1128085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1128085 is about 1062.1134590994. The cubic root of 1128085 is about 104.0991719207.

The spelling of 1128085 in words is "one million, one hundred twenty-eight thousand, eighty-five".