100291171 has 2 divisors, whose sum is σ = 100291172. Its totient is φ = 100291170.

The previous prime is 100291159. The next prime is 100291181. The reversal of 100291171 is 171192001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100291171 - 2¹⁹ = 99766883 is a prime.

It is not a weakly prime, because it can be changed into another prime (100291181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50145585 + 50145586.

It is an arithmetic number, because the mean of its divisors is an integer number (50145586).

Almost surely, 2^100291171 is an apocalyptic number.

100291171 is a deficient number, since it is larger than the sum of its proper divisors (1).

100291171 is an equidigital number, since it uses as much as digits as its factorization.

100291171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 100291171 is about 10014.5479678316. The cubic root of 100291171 is about 464.6089455141.

The spelling of 100291171 in words is "one hundred million, two hundred ninety-one thousand, one hundred seventy-one".