129485102 has 4 divisors (see below), whose sum is σ = 194227656. Its totient is φ = 64742550.

The previous prime is 129485053. The next prime is 129485129. The reversal of 129485102 is 201584921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 32371274 + ... + 32371277.

It is an arithmetic number, because the mean of its divisors is an integer number (48556914).

Almost surely, 2^129485102 is an apocalyptic number.

129485102 is a deficient number, since it is larger than the sum of its proper divisors (64742554).

129485102 is an equidigital number, since it uses as much as digits as its factorization.

129485102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64742553.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 129485102 is about 11379.1520773738. The cubic root of 129485102 is about 505.9100044605.

The spelling of 129485102 in words is "one hundred twenty-nine million, four hundred eighty-five thousand, one hundred two".