129324105 has 24 divisors (see below), whose sum is σ = 224540160. Its totient is φ = 68856480.

The previous prime is 129324073. The next prime is 129324109. The reversal of 129324105 is 501423921.

It is not a de Polignac number, because 129324105 - 2⁵ = 129324073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129324109) 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, 29016 + ... + 33174.

It is an arithmetic number, because the mean of its divisors is an integer number (9355840).

Almost surely, 2^129324105 is an apocalyptic number.

129324105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129324105 is a deficient number, since it is larger than the sum of its proper divisors (95216055).

129324105 is a wasteful number, since it uses less digits than its factorization.

129324105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 129324105 is about 11372.0756680564. The cubic root of 129324105 is about 505.7002408857.

The spelling of 129324105 in words is "one hundred twenty-nine million, three hundred twenty-four thousand, one hundred five".