100881671 has 4 divisors (see below), whose sum is σ = 110052744. Its totient is φ = 91710600.

The previous prime is 100881667. The next prime is 100881673. The reversal of 100881671 is 176188001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100881671 - 2² = 100881667 is a prime.

It is a super-2 number, since 2×100881671² = 20354223087504482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100881673) 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 in 3 ways as a sum of consecutive naturals, for example, 4585520 + ... + 4585541.

It is an arithmetic number, because the mean of its divisors is an integer number (27513186).

Almost surely, 2^100881671 is an apocalyptic number.

100881671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100881671 is a deficient number, since it is larger than the sum of its proper divisors (9171073).

100881671 is an equidigital number, since it uses as much as digits as its factorization.

100881671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171072.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 100881671 is about 10043.9868080359. The cubic root of 100881671 is about 465.5190119617.

The spelling of 100881671 in words is "one hundred million, eight hundred eighty-one thousand, six hundred seventy-one".