102102229 has 2 divisors, whose sum is σ = 102102230. Its totient is φ = 102102228.

The previous prime is 102102199. The next prime is 102102239. The reversal of 102102229 is 922201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74822500 + 27279729 = 8650^2 + 5223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102102229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102102239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051114 + 51051115.

It is an arithmetic number, because the mean of its divisors is an integer number (51051115).

Almost surely, 2^102102229 is an apocalyptic number.

It is an amenable number.

102102229 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102229 is an equidigital number, since it uses as much as digits as its factorization.

102102229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 102102229 is about 10104.5647605426. The cubic root of 102102229 is about 467.3889146686.

The spelling of 102102229 in words is "one hundred two million, one hundred two thousand, two hundred twenty-nine".