102130229 has 2 divisors, whose sum is σ = 102130230. Its totient is φ = 102130228.

The previous prime is 102130219. The next prime is 102130241. The reversal of 102130229 is 922031201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92352100 + 9778129 = 9610^2 + 3127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102130229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102130229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102130219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065114 + 51065115.

It is an arithmetic number, because the mean of its divisors is an integer number (51065115).

Almost surely, 2^102130229 is an apocalyptic number.

It is an amenable number.

102130229 is a deficient number, since it is larger than the sum of its proper divisors (1).

102130229 is an equidigital number, since it uses as much as digits as its factorization.

102130229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102130229 is about 10105.9501779892. The cubic root of 102130229 is about 467.4316355560.

The spelling of 102130229 in words is "one hundred two million, one hundred thirty thousand, two hundred twenty-nine".