1085053900 has 144 divisors (see below), whose sum is σ = 2999808000. Its totient is φ = 331637760.

The previous prime is 1085053867. The next prime is 1085053901. The reversal of 1085053900 is 93505801.

It is not an unprimeable number, because it can be changed into a prime (1085053901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223701 + ... + 228499.

It is an arithmetic number, because the mean of its divisors is an integer number (20832000).

Almost surely, 2^1085053900 is an apocalyptic number.

1085053900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085053900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499904000).

1085053900 is an abundant number, since it is smaller than the sum of its proper divisors (1914754100).

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

1085053900 is a wasteful number, since it uses less digits than its factorization.

1085053900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1085053900 is about 32940.1563444984. The cubic root of 1085053900 is about 1027.5834572862.

The spelling of 1085053900 in words is "one billion, eighty-five million, fifty-three thousand, nine hundred".