101143871 has 2 divisors, whose sum is σ = 101143872. Its totient is φ = 101143870.

The previous prime is 101143817. The next prime is 101143879. The reversal of 101143871 is 178341101.

Together with previous prime (101143817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101143871 - 2¹⁸ = 100881727 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101143871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101143879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50571935 + 50571936.

It is an arithmetic number, because the mean of its divisors is an integer number (50571936).

Almost surely, 2^101143871 is an apocalyptic number.

101143871 is a deficient number, since it is larger than the sum of its proper divisors (1).

101143871 is an equidigital number, since it uses as much as digits as its factorization.

101143871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 101143871 is about 10057.0309236872. The cubic root of 101143871 is about 465.9219708239.

Adding to 101143871 its reverse (178341101), we get a palindrome (279484972).

The spelling of 101143871 in words is "one hundred one million, one hundred forty-three thousand, eight hundred seventy-one".