129100962 has 8 divisors (see below), whose sum is σ = 258201936. Its totient is φ = 43033652.

The previous prime is 129100883. The next prime is 129100969. The reversal of 129100962 is 269001921.

It is a happy number.

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

129100962 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (129100969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758408 + ... + 10758419.

It is an arithmetic number, because the mean of its divisors is an integer number (32275242).

Almost surely, 2^129100962 is an apocalyptic number.

129100962 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.

129100962 is a wasteful number, since it uses less digits than its factorization.

129100962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21516832.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 129100962 is about 11362.2604265173. The cubic root of 129100962 is about 505.4092190037.

The spelling of 129100962 in words is "one hundred twenty-nine million, one hundred thousand, nine hundred sixty-two".