1085523728 has 20 divisors (see below), whose sum is σ = 2104515600. Its totient is φ = 542422944.

The previous prime is 1085523701. The next prime is 1085523739. The reversal of 1085523728 is 8273255801.

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, 6323 + ... + 47021.

It is an arithmetic number, because the mean of its divisors is an integer number (105225780).

Almost surely, 2^1085523728 is an apocalyptic number.

It is an amenable number.

1085523728 is a deficient number, since it is larger than the sum of its proper divisors (1018991872).

1085523728 is a wasteful number, since it uses less digits than its factorization.

1085523728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42374 (or 42368 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1085523728 is about 32947.2871113845. The cubic root of 1085523728 is about 1027.7317503234.

The spelling of 1085523728 in words is "one billion, eighty-five million, five hundred twenty-three thousand, seven hundred twenty-eight".