129054 has 16 divisors (see below), whose sum is σ = 261648. Its totient is φ = 42432.

The previous prime is 129049. The next prime is 129061. The reversal of 129054 is 450921.

129054 is nontrivially palindromic in base 12.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 129054.

It is a congruent number.

It is an unprimeable number.

129054 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (16353).

2¹²⁹⁰⁵⁴ is an apocalyptic number.

129054 is an abundant number, since it is smaller than the sum of its proper divisors (132594).

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

129054 is a wasteful number, since it uses less digits than its factorization.

129054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 129054 is about 359.2408662722. The cubic root of 129054 is about 50.5347928714.

Adding to 129054 its reverse (450921), we get a palindrome (579975).

The spelling of 129054 in words is "one hundred twenty-nine thousand, fifty-four".