129081035 has 8 divisors (see below), whose sum is σ = 158193216. Its totient is φ = 101067520.

The previous prime is 129081013. The next prime is 129081067. The reversal of 129081035 is 530180921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129081035 - 2⁶ = 129080971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129080989 and 129081007.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 274406 + ... + 274875.

It is an arithmetic number, because the mean of its divisors is an integer number (19774152).

Almost surely, 2^129081035 is an apocalyptic number.

129081035 is a deficient number, since it is larger than the sum of its proper divisors (29112181).

129081035 is an equidigital number, since it uses as much as digits as its factorization.

129081035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549333.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 129081035 is about 11361.3834985005. The cubic root of 129081035 is about 505.3832140136.

The spelling of 129081035 in words is "one hundred twenty-nine million, eighty-one thousand, thirty-five".