129478301 has 6 divisors (see below), whose sum is σ = 134006490. Its totient is φ = 124954368.

The previous prime is 129478291. The next prime is 129478379. The reversal of 129478301 is 103874921.

It can be written as a sum of positive squares in 3 ways, for example, as 15202201 + 114276100 = 3899^2 + 10690^2 .

It is not a de Polignac number, because 129478301 - 2¹⁰ = 129477277 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129478381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60221 + ... + 62333.

It is an arithmetic number, because the mean of its divisors is an integer number (22334415).

Almost surely, 2^129478301 is an apocalyptic number.

It is an amenable number.

129478301 is a deficient number, since it is larger than the sum of its proper divisors (4528189).

129478301 is an frugal number, since it uses more digits than its factorization.

129478301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 129478301 is about 11378.8532374752. The cubic root of 129478301 is about 505.9011469314.

The spelling of 129478301 in words is "one hundred twenty-nine million, four hundred seventy-eight thousand, three hundred one".