1085900 has 18 divisors (see below), whose sum is σ = 2356620. Its totient is φ = 434320.

The previous prime is 1085891. The next prime is 1085911. The reversal of 1085900 is 95801.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5330 + ... + 5529.

2^1085900 is an apocalyptic number.

1085900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085900 is an abundant number, since it is smaller than the sum of its proper divisors (1270720).

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

1085900 is a wasteful number, since it uses less digits than its factorization.

1085900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1085900 is about 1042.0652570737. The cubic root of 1085900 is about 102.7850483183.

Subtracting from 1085900 its reverse (95801), we obtain a palindrome (990099).

The spelling of 1085900 in words is "one million, eighty-five thousand, nine hundred".