172130601249 has 12 divisors (see below), whose sum is σ = 249728393616. Its totient is φ = 114248209752.

The previous prime is 172130601233. The next prime is 172130601263. The reversal of 172130601249 is 942106031271.

172130601249 is a `hidden beast` number, since 1 + 7 + 2 + 1 + 3 + 0 + 601 + 2 + 49 = 666.

It is not a de Polignac number, because 172130601249 - 2⁴ = 172130601233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172130601649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42124879 + ... + 42128964.

It is an arithmetic number, because the mean of its divisors is an integer number (20810699468).

Almost surely, 2^172130601249 is an apocalyptic number.

It is an amenable number.

172130601249 is a deficient number, since it is larger than the sum of its proper divisors (77597792367).

172130601249 is a wasteful number, since it uses less digits than its factorization.

172130601249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84254076 (or 84254073 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 172130601249 in words is "one hundred seventy-two billion, one hundred thirty million, six hundred one thousand, two hundred forty-nine".