9101881 has 2 divisors, whose sum is σ = 9101882. Its totient is φ = 9101880.

The previous prime is 9101867. The next prime is 9101887. The reversal of 9101881 is 1881019.

9101881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 5625 = 3016^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 9101881 - 2¹⁵ = 9069113 is a prime.

It is a super-2 number, since 2×9101881² = 165688475476322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9101887) 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 as a sum of consecutive naturals, namely, 4550940 + 4550941.

It is an arithmetic number, because the mean of its divisors is an integer number (4550941).

Almost surely, 2^9101881 is an apocalyptic number.

It is an amenable number.

9101881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9101881 is an equidigital number, since it uses as much as digits as its factorization.

9101881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 9101881 is about 3016.9323824044. The cubic root of 9101881 is about 208.7903317676.

The spelling of 9101881 in words is "nine million, one hundred one thousand, eight hundred eighty-one".