129073103 has 2 divisors, whose sum is σ = 129073104. Its totient is φ = 129073102.

The previous prime is 129073097. The next prime is 129073117. The reversal of 129073103 is 301370921.

It is a weak prime.

It is an emirp because it is prime and its reverse (301370921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129073103 - 2⁶ = 129073039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129073003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64536551 + 64536552.

It is an arithmetic number, because the mean of its divisors is an integer number (64536552).

Almost surely, 2^129073103 is an apocalyptic number.

129073103 is a deficient number, since it is larger than the sum of its proper divisors (1).

129073103 is an equidigital number, since it uses as much as digits as its factorization.

129073103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 129073103 is about 11361.0344159324. The cubic root of 129073103 is about 505.3728619074.

The spelling of 129073103 in words is "one hundred twenty-nine million, seventy-three thousand, one hundred three".