129572193 has 16 divisors (see below), whose sum is σ = 175521600. Its totient is φ = 85012800.

The previous prime is 129572173. The next prime is 129572207. The reversal of 129572193 is 391275921.

It is not a de Polignac number, because 129572193 - 2⁵ = 129572161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129572173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53043 + ... + 55431.

It is an arithmetic number, because the mean of its divisors is an integer number (10970100).

Almost surely, 2^129572193 is an apocalyptic number.

It is an amenable number.

129572193 is a deficient number, since it is larger than the sum of its proper divisors (45949407).

129572193 is a wasteful number, since it uses less digits than its factorization.

129572193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its digits is 34020, while the sum is 39.

The square root of 129572193 is about 11382.9782131040. The cubic root of 129572193 is about 506.0234031784.

The spelling of 129572193 in words is "one hundred twenty-nine million, five hundred seventy-two thousand, one hundred ninety-three".