102512603171 has 4 divisors (see below), whose sum is σ = 111831930744. Its totient is φ = 93193275600.

The previous prime is 102512603147. The next prime is 102512603197. The reversal of 102512603171 is 171306215201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102512603171 - 2⁶ = 102512603107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102512603101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659663770 + ... + 4659663791.

It is an arithmetic number, because the mean of its divisors is an integer number (27957982686).

Almost surely, 2^102512603171 is an apocalyptic number.

102512603171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102512603171 is a deficient number, since it is larger than the sum of its proper divisors (9319327573).

102512603171 is an equidigital number, since it uses as much as digits as its factorization.

102512603171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319327572.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 102512603171 its reverse (171306215201), we get a palindrome (273818818372).

The spelling of 102512603171 in words is "one hundred two billion, five hundred twelve million, six hundred three thousand, one hundred seventy-one".