1075565000 has 80 divisors (see below), whose sum is σ = 2549418300. Its totient is φ = 425216000.

The previous prime is 1075564981. The next prime is 1075565033. The reversal of 1075565000 is 5655701.

It can be written as a sum of positive squares in 10 ways, for example, as 20484676 + 1055080324 = 4526^2 + 32482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 443792 + ... + 446208.

Almost surely, 2^1075565000 is an apocalyptic number.

1075565000 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 1075565000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274709150).

1075565000 is an abundant number, since it is smaller than the sum of its proper divisors (1473853300).

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

1075565000 is an equidigital number, since it uses as much as digits as its factorization.

1075565000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1075565000 is about 32795.8076589066. The cubic root of 1075565000 is about 1024.5792443199.

The spelling of 1075565000 in words is "one billion, seventy-five million, five hundred sixty-five thousand".