129041371 has 2 divisors, whose sum is σ = 129041372. Its totient is φ = 129041370.

The previous prime is 129041357. The next prime is 129041377. The reversal of 129041371 is 173140921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129041371 - 2⁷ = 129041243 is a prime.

It is not a weakly prime, because it can be changed into another prime (129041377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64520685 + 64520686.

It is an arithmetic number, because the mean of its divisors is an integer number (64520686).

Almost surely, 2^129041371 is an apocalyptic number.

129041371 is a deficient number, since it is larger than the sum of its proper divisors (1).

129041371 is an equidigital number, since it uses as much as digits as its factorization.

129041371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 129041371 is about 11359.6378023245. The cubic root of 129041371 is about 505.3314440193.

The spelling of 129041371 in words is "one hundred twenty-nine million, forty-one thousand, three hundred seventy-one".