172065126029 has 2 divisors, whose sum is σ = 172065126030. Its totient is φ = 172065126028.

The previous prime is 172065125993. The next prime is 172065126059. The reversal of 172065126029 is 920621560271.

172065126029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157033875625 + 15031250404 = 396275^2 + 122602^2 .

It is a cyclic number.

It is not a de Polignac number, because 172065126029 - 2¹² = 172065121933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172065126059) 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 as a sum of consecutive naturals, namely, 86032563014 + 86032563015.

It is an arithmetic number, because the mean of its divisors is an integer number (86032563015).

Almost surely, 2^172065126029 is an apocalyptic number.

It is an amenable number.

172065126029 is a deficient number, since it is larger than the sum of its proper divisors (1).

172065126029 is an equidigital number, since it uses as much as digits as its factorization.

172065126029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 172065126029 in words is "one hundred seventy-two billion, sixty-five million, one hundred twenty-six thousand, twenty-nine".