1085105028 has 96 divisors (see below), whose sum is σ = 3015147520. Its totient is φ = 297198720.

The previous prime is 1085105009. The next prime is 1085105041. The reversal of 1085105028 is 8205015801.

It is a junction number, because it is equal to n+sod(n) for n = 1085104986 and 1085105004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281925 + ... + 285747.

Almost surely, 2^1085105028 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 1085105028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507573760).

1085105028 is an abundant number, since it is smaller than the sum of its proper divisors (1930042492).

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

1085105028 is a wasteful number, since it uses less digits than its factorization.

1085105028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 1085105028 is about 32940.9324093900. The cubic root of 1085105028 is about 1027.5995970257.

The spelling of 1085105028 in words is "one billion, eighty-five million, one hundred five thousand, twenty-eight".