172106299 has 2 divisors, whose sum is σ = 172106300. Its totient is φ = 172106298.

The previous prime is 172106293. The next prime is 172106353. The reversal of 172106299 is 992601271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172106299 - 2⁵ = 172106267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172106293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86053149 + 86053150.

It is an arithmetic number, because the mean of its divisors is an integer number (86053150).

Almost surely, 2^172106299 is an apocalyptic number.

172106299 is a deficient number, since it is larger than the sum of its proper divisors (1).

172106299 is an equidigital number, since it uses as much as digits as its factorization.

172106299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 172106299 is about 13118.9290340332. The cubic root of 172106299 is about 556.2443190263.

The spelling of 172106299 in words is "one hundred seventy-two million, one hundred six thousand, two hundred ninety-nine".