129048927 has 24 divisors (see below), whose sum is σ = 203688576. Its totient is φ = 71189664.

The previous prime is 129048923. The next prime is 129048937. The reversal of 129048927 is 729840921.

It is not a de Polignac number, because 129048927 - 2² = 129048923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129048923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14008 + ... + 21314.

It is an arithmetic number, because the mean of its divisors is an integer number (8487024).

Almost surely, 2^129048927 is an apocalyptic number.

129048927 is a deficient number, since it is larger than the sum of its proper divisors (74639649).

129048927 is an equidigital number, since it uses as much as digits as its factorization.

129048927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 129048927 is about 11359.9703784825. The cubic root of 129048927 is about 505.3413070315.

The spelling of 129048927 in words is "one hundred twenty-nine million, forty-eight thousand, nine hundred twenty-seven".