100439011 has 2 divisors, whose sum is σ = 100439012. Its totient is φ = 100439010.

The previous prime is 100438991. The next prime is 100439051. The reversal of 100439011 is 110934001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100439011 - 2¹⁹ = 99914723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100439011.

It is not a weakly prime, because it can be changed into another prime (100439051) 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, 50219505 + 50219506.

It is an arithmetic number, because the mean of its divisors is an integer number (50219506).

Almost surely, 2^100439011 is an apocalyptic number.

100439011 is a deficient number, since it is larger than the sum of its proper divisors (1).

100439011 is an equidigital number, since it uses as much as digits as its factorization.

100439011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100439011 is about 10021.9265114049. The cubic root of 100439011 is about 464.8371279897.

The spelling of 100439011 in words is "one hundred million, four hundred thirty-nine thousand, eleven".