100944191 has 2 divisors, whose sum is σ = 100944192. Its totient is φ = 100944190.

The previous prime is 100944187. The next prime is 100944197. The reversal of 100944191 is 191449001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100944191 - 2² = 100944187 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100944197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50472095 + 50472096.

It is an arithmetic number, because the mean of its divisors is an integer number (50472096).

Almost surely, 2^100944191 is an apocalyptic number.

100944191 is a deficient number, since it is larger than the sum of its proper divisors (1).

100944191 is an equidigital number, since it uses as much as digits as its factorization.

100944191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 100944191 is about 10047.0986359247. The cubic root of 100944191 is about 465.6151583945.

The spelling of 100944191 in words is "one hundred million, nine hundred forty-four thousand, one hundred ninety-one".