102487171 has 2 divisors, whose sum is σ = 102487172. Its totient is φ = 102487170.

The previous prime is 102487139. The next prime is 102487201. The reversal of 102487171 is 171784201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102487171 - 2⁵ = 102487139 is a prime.

It is not a weakly prime, because it can be changed into another prime (102487111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51243585 + 51243586.

It is an arithmetic number, because the mean of its divisors is an integer number (51243586).

Almost surely, 2^102487171 is an apocalyptic number.

102487171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102487171 is an equidigital number, since it uses as much as digits as its factorization.

102487171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 102487171 is about 10123.5947666824. The cubic root of 102487171 is about 467.9755554354.

The spelling of 102487171 in words is "one hundred two million, four hundred eighty-seven thousand, one hundred seventy-one".