1000805152 has 12 divisors (see below), whose sum is σ = 1970335206. Its totient is φ = 500402560.

The previous prime is 1000805131. The next prime is 1000805161. The reversal of 1000805152 is 2515080001.

It can be written as a sum of positive squares in only one way, i.e., 983198736 + 17606416 = 31356^2 + 4196^2 .

It is a super-2 number, since 2×1000805152² = 2003221904539486208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15637549 + ... + 15637612.

Almost surely, 2^1000805152 is an apocalyptic number.

It is an amenable number.

1000805152 is a deficient number, since it is larger than the sum of its proper divisors (969530054).

1000805152 is an equidigital number, since it uses as much as digits as its factorization.

1000805152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275171 (or 31275163 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1000805152 is about 31635.5046111169. The cubic root of 1000805152 is about 1000.2683120022.

Adding to 1000805152 its reverse (2515080001), we get a palindrome (3515885153).

The spelling of 1000805152 in words is "one billion, eight hundred five thousand, one hundred fifty-two".