129141110 has 32 divisors (see below), whose sum is σ = 267708672. Its totient is φ = 43935840.

The previous prime is 129141097. The next prime is 129141121. The reversal of 129141110 is 11141921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (8365896).

Almost surely, 2^129141110 is an apocalyptic number.

129141110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129141110 is an abundant number, since it is smaller than the sum of its proper divisors (138567562).

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

129141110 is a wasteful number, since it uses less digits than its factorization.

129141110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 129141110 is about 11364.0270151034. The cubic root of 129141110 is about 505.4616045320.

The spelling of 129141110 in words is "one hundred twenty-nine million, one hundred forty-one thousand, one hundred ten".