102120332173 has 2 divisors, whose sum is σ = 102120332174. Its totient is φ = 102120332172.

The previous prime is 102120332161. The next prime is 102120332177. The reversal of 102120332173 is 371233021201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79480014084 + 22640318089 = 281922^2 + 150467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120332173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120332177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060166086 + 51060166087.

It is an arithmetic number, because the mean of its divisors is an integer number (51060166087).

Almost surely, 2^102120332173 is an apocalyptic number.

It is an amenable number.

102120332173 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120332173 is an equidigital number, since it uses as much as digits as its factorization.

102120332173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 102120332173 its reverse (371233021201), we get a palindrome (473353353374).

The spelling of 102120332173 in words is "one hundred two billion, one hundred twenty million, three hundred thirty-two thousand, one hundred seventy-three".