129852487 has 8 divisors (see below), whose sum is σ = 130941360. Its totient is φ = 128768640.

The previous prime is 129852461. The next prime is 129852529. The reversal of 129852487 is 784258921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129852487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129852427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63828 + ... + 65830.

It is an arithmetic number, because the mean of its divisors is an integer number (16367670).

Almost surely, 2^129852487 is an apocalyptic number.

129852487 is a deficient number, since it is larger than the sum of its proper divisors (1088873).

129852487 is a wasteful number, since it uses less digits than its factorization.

129852487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its digits is 322560, while the sum is 46.

The square root of 129852487 is about 11395.2835418870. The cubic root of 129852487 is about 506.3880214638.

The spelling of 129852487 in words is "one hundred twenty-nine million, eight hundred fifty-two thousand, four hundred eighty-seven".