129852479 has 8 divisors (see below), whose sum is σ = 137046000. Its totient is φ = 122694912.

The previous prime is 129852461. The next prime is 129852529. The reversal of 129852479 is 974258921.

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-129852479 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 (129852419) 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, 1394 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (17130750).

Almost surely, 2^129852479 is an apocalyptic number.

129852479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

129852479 is a deficient number, since it is larger than the sum of its proper divisors (7193521).

129852479 is a wasteful number, since it uses less digits than its factorization.

129852479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977.

The product of its digits is 362880, while the sum is 47.

The square root of 129852479 is about 11395.2831908645. The cubic root of 129852479 is about 506.3880110645.

The spelling of 129852479 in words is "one hundred twenty-nine million, eight hundred fifty-two thousand, four hundred seventy-nine".