1009043105 has 32 divisors (see below), whose sum is σ = 1410200064. Its totient is φ = 678859776.

The previous prime is 1009043099. The next prime is 1009043129. The reversal of 1009043105 is 5013409001.

It is a happy number.

It is not a de Polignac number, because 1009043105 - 2¹⁰ = 1009042081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406127 + ... + 408603.

It is an arithmetic number, because the mean of its divisors is an integer number (44068752).

Almost surely, 2^1009043105 is an apocalyptic number.

It is an amenable number.

1009043105 is a deficient number, since it is larger than the sum of its proper divisors (401156959).

1009043105 is a wasteful number, since it uses less digits than its factorization.

1009043105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1009043105 is about 31765.4388447570. The cubic root of 1009043105 is about 1003.0053272932.

The spelling of 1009043105 in words is "one billion, nine million, forty-three thousand, one hundred five".