172122701253 has 4 divisors (see below), whose sum is σ = 229496935008. Its totient is φ = 114748467500.

The previous prime is 172122701207. The next prime is 172122701273. The reversal of 172122701253 is 352107221271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172122701253 - 2¹⁴ = 172122684869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172122701273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28687116873 + ... + 28687116878.

It is an arithmetic number, because the mean of its divisors is an integer number (57374233752).

Almost surely, 2^172122701253 is an apocalyptic number.

It is an amenable number.

172122701253 is a deficient number, since it is larger than the sum of its proper divisors (57374233755).

172122701253 is an equidigital number, since it uses as much as digits as its factorization.

172122701253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57374233754.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 172122701253 in words is "one hundred seventy-two billion, one hundred twenty-two million, seven hundred one thousand, two hundred fifty-three".