129969102 has 8 divisors (see below), whose sum is σ = 259938216. Its totient is φ = 43323032.

The previous prime is 129969071. The next prime is 129969107. The reversal of 129969102 is 201969921.

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

129969102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129969107) 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, 10830753 + ... + 10830764.

It is an arithmetic number, because the mean of its divisors is an integer number (32492277).

Almost surely, 2^129969102 is an apocalyptic number.

129969102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129969102 is a wasteful number, since it uses less digits than its factorization.

129969102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661522.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 129969102 is about 11400.3992035367. The cubic root of 129969102 is about 506.5395646284.

The spelling of 129969102 in words is "one hundred twenty-nine million, nine hundred sixty-nine thousand, one hundred two".