1000100239 has 2 divisors, whose sum is σ = 1000100240. Its totient is φ = 1000100238.

The previous prime is 1000100201. The next prime is 1000100279. The reversal of 1000100239 is 9320010001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000100239 - 2¹¹ = 1000098191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000100279) 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 as a sum of consecutive naturals, namely, 500050119 + 500050120.

It is an arithmetic number, because the mean of its divisors is an integer number (500050120).

Almost surely, 2^1000100239 is an apocalyptic number.

1000100239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000100239 is an equidigital number, since it uses as much as digits as its factorization.

1000100239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1000100239 is about 31624.3614797200. The cubic root of 1000100239 is about 1000.0334118836.

The spelling of 1000100239 in words is "one billion, one hundred thousand, two hundred thirty-nine".