129035452 has 48 divisors (see below), whose sum is σ = 281336832. Its totient is φ = 50420160.

The previous prime is 129035437. The next prime is 129035483. The reversal of 129035452 is 254530921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28077 + ... + 32347.

It is an arithmetic number, because the mean of its divisors is an integer number (5861184).

Almost surely, 2^129035452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129035452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140668416).

129035452 is an abundant number, since it is smaller than the sum of its proper divisors (152301380).

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

129035452 is a wasteful number, since it uses less digits than its factorization.

129035452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 129035452 is about 11359.3772716641. The cubic root of 129035452 is about 505.3237175500.

The spelling of 129035452 in words is "one hundred twenty-nine million, thirty-five thousand, four hundred fifty-two".