129972301 has 8 divisors (see below), whose sum is σ = 132903680. Its totient is φ = 127073232.

The previous prime is 129972281. The next prime is 129972313. The reversal of 129972301 is 103279921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 129972301 - 2¹⁵ = 129939533 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 (129972341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 16123.

It is an arithmetic number, because the mean of its divisors is an integer number (16612960).

Almost surely, 2^129972301 is an apocalyptic number.

It is an amenable number.

129972301 is a deficient number, since it is larger than the sum of its proper divisors (2931379).

129972301 is a wasteful number, since it uses less digits than its factorization.

129972301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 129972301 is about 11400.5395047778. The cubic root of 129972301 is about 506.5437205053.

The spelling of 129972301 in words is "one hundred twenty-nine million, nine hundred seventy-two thousand, three hundred one".