102871081 has 2 divisors, whose sum is σ = 102871082. Its totient is φ = 102871080.

The previous prime is 102871079. The next prime is 102871099. The reversal of 102871081 is 180178201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 41718681 = 7820^2 + 6459^2 .

It is a cyclic number.

It is not a de Polignac number, because 102871081 - 2¹ = 102871079 is a prime.

It is a super-2 number, since 2×102871081² = 21164918612217122, which contains 22 as substring.

Together with 102871079, it forms a pair of twin primes.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51435540 + 51435541.

It is an arithmetic number, because the mean of its divisors is an integer number (51435541).

Almost surely, 2^102871081 is an apocalyptic number.

It is an amenable number.

102871081 is a deficient number, since it is larger than the sum of its proper divisors (1).

102871081 is an equidigital number, since it uses as much as digits as its factorization.

102871081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 102871081 is about 10142.5381931743. The cubic root of 102871081 is about 468.5591622336.

The spelling of 102871081 in words is "one hundred two million, eight hundred seventy-one thousand, eighty-one".