129102334 has 8 divisors (see below), whose sum is σ = 195132168. Its totient is φ = 64058280.

The previous prime is 129102331. The next prime is 129102343. The reversal of 129102334 is 433201921.

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

It is a junction number, because it is equal to n+sod(n) for n = 129102299 and 129102308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129102331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246117 + ... + 246640.

It is an arithmetic number, because the mean of its divisors is an integer number (24391521).

Almost surely, 2^129102334 is an apocalyptic number.

129102334 is a deficient number, since it is larger than the sum of its proper divisors (66029834).

129102334 is a wasteful number, since it uses less digits than its factorization.

129102334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492890.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 129102334 is about 11362.3208016672. The cubic root of 129102334 is about 505.4110093828.

The spelling of 129102334 in words is "one hundred twenty-nine million, one hundred two thousand, three hundred thirty-four".