129641203 has 2 divisors, whose sum is σ = 129641204. Its totient is φ = 129641202.

The previous prime is 129641191. The next prime is 129641207. The reversal of 129641203 is 302146921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129641203 - 2¹³ = 129633011 is a prime.

It is not a weakly prime, because it can be changed into another prime (129641207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64820601 + 64820602.

It is an arithmetic number, because the mean of its divisors is an integer number (64820602).

Almost surely, 2^129641203 is an apocalyptic number.

129641203 is a deficient number, since it is larger than the sum of its proper divisors (1).

129641203 is an equidigital number, since it uses as much as digits as its factorization.

129641203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 129641203 is about 11386.0090901070. The cubic root of 129641203 is about 506.1132230606.

The spelling of 129641203 in words is "one hundred twenty-nine million, six hundred forty-one thousand, two hundred three".