102002071 has 2 divisors, whose sum is σ = 102002072. Its totient is φ = 102002070.

The previous prime is 102002003. The next prime is 102002107. The reversal of 102002071 is 170200201.

Together with next prime (102002107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (170200201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102002071 - 2¹¹ = 102000023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102002371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001035 + 51001036.

It is an arithmetic number, because the mean of its divisors is an integer number (51001036).

Almost surely, 2^102002071 is an apocalyptic number.

102002071 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002071 is an equidigital number, since it uses as much as digits as its factorization.

102002071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 102002071 is about 10099.6074676197. The cubic root of 102002071 is about 467.2360350340.

Adding to 102002071 its reverse (170200201), we get a palindrome (272202272).

The spelling of 102002071 in words is "one hundred two million, two thousand, seventy-one".