100071871 has 2 divisors, whose sum is σ = 100071872. Its totient is φ = 100071870.

The previous prime is 100071859. The next prime is 100071887. The reversal of 100071871 is 178170001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100071871 - 2⁷ = 100071743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100071971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50035935 + 50035936.

It is an arithmetic number, because the mean of its divisors is an integer number (50035936).

Almost surely, 2^100071871 is an apocalyptic number.

100071871 is a deficient number, since it is larger than the sum of its proper divisors (1).

100071871 is an equidigital number, since it uses as much as digits as its factorization.

100071871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 100071871 is about 10003.5929045518. The cubic root of 100071871 is about 464.2700552758.

The spelling of 100071871 in words is "one hundred million, seventy-one thousand, eight hundred seventy-one".