1000099 has 2 divisors, whose sum is σ = 1000100. Its totient is φ = 1000098.

The previous prime is 1000081. The next prime is 1000117. The reversal of 1000099 is 9900001.

1000099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (1000081) and next prime (1000117).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000099 is a prime.

It is a Chen prime.

1000099 is a modest number, since divided by 99 gives 1 as remainder.

It is not a weakly prime, because it can be changed into another prime (1000039) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500049 + 500050.

It is an arithmetic number, because the mean of its divisors is an integer number (500050).

2^1000099 is an apocalyptic number.

1000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000099 is an equidigital number, since it uses as much as digits as its factorization.

1000099 is an evil number, because the sum of its binary digits is even.

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

The square root of 1000099 is about 1000.0494987749. The cubic root of 1000099 is about 100.0032998911.

The spelling of 1000099 in words is "one million, ninety-nine", and thus it is an aban number and an uban number.