104171791 has 2 divisors, whose sum is σ = 104171792. Its totient is φ = 104171790.

The previous prime is 104171747. The next prime is 104171797. The reversal of 104171791 is 197171401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104171791 - 2¹⁵ = 104139023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104171797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52085895 + 52085896.

It is an arithmetic number, because the mean of its divisors is an integer number (52085896).

Almost surely, 2^104171791 is an apocalyptic number.

104171791 is a deficient number, since it is larger than the sum of its proper divisors (1).

104171791 is an equidigital number, since it uses as much as digits as its factorization.

104171791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 104171791 is about 10206.4582985480. The cubic root of 104171791 is about 470.5257298057.

The spelling of 104171791 in words is "one hundred four million, one hundred seventy-one thousand, seven hundred ninety-one".