1009099 has 12 divisors (see below), whose sum is σ = 1250256. Its totient is φ = 797472.

The previous prime is 1009097. The next prime is 1009121. The reversal of 1009099 is 9909001.

It is not a de Polignac number, because 1009099 - 2¹ = 1009097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009097) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 757 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (104188).

2^1009099 is an apocalyptic number.

1009099 is a deficient number, since it is larger than the sum of its proper divisors (241157).

1009099 is an equidigital number, since it uses as much as digits as its factorization.

1009099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 1009099 is about 1004.5391978415. The cubic root of 1009099 is about 100.3023847132.

The spelling of 1009099 in words is "one million, nine thousand, ninety-nine".