210232129 has 2 divisors, whose sum is σ = 210232130. Its totient is φ = 210232128.

The previous prime is 210232123. The next prime is 210232153. The reversal of 210232129 is 921232012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 51093904 = 12615^2 + 7148^2 .

It is a cyclic number.

It is not a de Polignac number, because 210232129 - 2¹¹ = 210230081 is a prime.

It is not a weakly prime, because it can be changed into another prime (210232123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116064 + 105116065.

It is an arithmetic number, because the mean of its divisors is an integer number (105116065).

Almost surely, 2^210232129 is an apocalyptic number.

It is an amenable number.

210232129 is a deficient number, since it is larger than the sum of its proper divisors (1).

210232129 is an equidigital number, since it uses as much as digits as its factorization.

210232129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 210232129 is about 14499.3837455252. The cubic root of 210232129 is about 594.6111236235.

The spelling of 210232129 in words is "two hundred ten million, two hundred thirty-two thousand, one hundred twenty-nine".