1085128 has 48 divisors (see below), whose sum is σ = 2394000. Its totient is φ = 459360.

The previous prime is 1085113. The next prime is 1085131. The reversal of 1085128 is 8215801.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18363 + ... + 18421.

It is an arithmetic number, because the mean of its divisors is an integer number (49875).

2^1085128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197000).

1085128 is an abundant number, since it is smaller than the sum of its proper divisors (1308872).

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

1085128 is a wasteful number, since it uses less digits than its factorization.

1085128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 91 counting only the distinct ones).

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

The square root of 1085128 is about 1041.6947729542. The cubic root of 1085128 is about 102.7606848505.

The spelling of 1085128 in words is "one million, eighty-five thousand, one hundred twenty-eight".