129159 has 12 divisors (see below), whose sum is σ = 189696. Its totient is φ = 84672.
The previous prime is 129127. The next prime is 129169. The reversal of 129159 is 951921.
It is a happy number.
129159 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 129159 - 25 = 129127 is a prime.
129159 is strictly pandigital in base 7.
129159 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129119) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954 + ... + 1080.
It is an arithmetic number, because the mean of its divisors is an integer number (15808).
2129159 is an apocalyptic number.
129159 is a deficient number, since it is larger than the sum of its proper divisors (60537).
129159 is a wasteful number, since it uses less digits than its factorization.
129159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246 (or 243 counting only the distinct ones).
The product of its digits is 810, while the sum is 27.
The square root of 129159 is about 359.3869780613. The cubic root of 129159 is about 50.5484944093.
The spelling of 129159 in words is "one hundred twenty-nine thousand, one hundred fifty-nine".
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