129672203 has 2 divisors, whose sum is σ = 129672204. Its totient is φ = 129672202.

The previous prime is 129672173. The next prime is 129672233. The reversal of 129672203 is 302276921.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (129672173) and next prime (129672233).

It is a cyclic number.

It is not a de Polignac number, because 129672203 - 2⁶ = 129672139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129672203.

It is not a weakly prime, because it can be changed into another prime (129672233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64836101 + 64836102.

It is an arithmetic number, because the mean of its divisors is an integer number (64836102).

Almost surely, 2^129672203 is an apocalyptic number.

129672203 is a deficient number, since it is larger than the sum of its proper divisors (1).

129672203 is an equidigital number, since it uses as much as digits as its factorization.

129672203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 129672203 is about 11387.3703285702. The cubic root of 129672203 is about 506.1535606980.

The spelling of 129672203 in words is "one hundred twenty-nine million, six hundred seventy-two thousand, two hundred three".