100994191 has 2 divisors, whose sum is σ = 100994192. Its totient is φ = 100994190.

The previous prime is 100994171. The next prime is 100994209. The reversal of 100994191 is 191499001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (191499001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100994191 - 2¹⁹ = 100469903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100994141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50497095 + 50497096.

It is an arithmetic number, because the mean of its divisors is an integer number (50497096).

Almost surely, 2^100994191 is an apocalyptic number.

100994191 is a deficient number, since it is larger than the sum of its proper divisors (1).

100994191 is an equidigital number, since it uses as much as digits as its factorization.

100994191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 100994191 is about 10049.5866084133. The cubic root of 100994191 is about 465.6920223689.

The spelling of 100994191 in words is "one hundred million, nine hundred ninety-four thousand, one hundred ninety-one".