129053052 has 72 divisors (see below), whose sum is σ = 346915296. Its totient is φ = 40310784.

The previous prime is 129053033. The next prime is 129053081. The reversal of 129053052 is 250350921.

129053052 is a `hidden beast` number, since 129 + 0 + 530 + 5 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264753 + ... + 265239.

It is an arithmetic number, because the mean of its divisors is an integer number (4818268).

Almost surely, 2^129053052 is an apocalyptic number.

129053052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129053052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173457648).

129053052 is an abundant number, since it is smaller than the sum of its proper divisors (217862244).

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

129053052 is a wasteful number, since it uses less digits than its factorization.

129053052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 129053052 is about 11360.1519356037. The cubic root of 129053052 is about 505.3466913219.

The spelling of 129053052 in words is "one hundred twenty-nine million, fifty-three thousand, fifty-two".