1000000099 has 4 divisors (see below), whose sum is σ = 1142857264. Its totient is φ = 857142936.

The previous prime is 1000000097. The next prime is 1000000103. The reversal of 1000000099 is 9900000001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000000099 - 2¹ = 1000000097 is a prime.

It is a Duffinian number.

1000000099 is a modest number, since divided by 99 gives 10 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1000000093) 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 3 ways as a sum of consecutive naturals, for example, 71428572 + ... + 71428585.

It is an arithmetic number, because the mean of its divisors is an integer number (285714316).

Almost surely, 2^1000000099 is an apocalyptic number.

1000000099 is a deficient number, since it is larger than the sum of its proper divisors (142857165).

1000000099 is an equidigital number, since it uses as much as digits as its factorization.

1000000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142857164.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 1000000099 is about 31622.7781670112. The cubic root of 1000000099 is about 1000.0000330000. Note that the first 4 decimals are identical.

The spelling of 1000000099 in words is "one billion, ninety-nine", and thus it is an aban number and an uban number.