1000521106 has 32 divisors (see below), whose sum is σ = 1631408688. Its totient is φ = 457466880.

The previous prime is 1000521103. The next prime is 1000521139. The reversal of 1000521106 is 6011250001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2277081 + 998244025 = 1509^2 + 31595^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000521106.

It is not an unprimeable number, because it can be changed into a prime (1000521103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920126 + ... + 1920646.

Almost surely, 2^1000521106 is an apocalyptic number.

1000521106 is a deficient number, since it is larger than the sum of its proper divisors (630887582).

1000521106 is a wasteful number, since it uses less digits than its factorization.

1000521106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1000521106 is about 31631.0149378739. The cubic root of 1000521106 is about 1000.1736718363.

Adding to 1000521106 its reverse (6011250001), we get a palindrome (7011771107).

The spelling of 1000521106 in words is "one billion, five hundred twenty-one thousand, one hundred six".