172108801 has 2 divisors, whose sum is σ = 172108802. Its totient is φ = 172108800.

The previous prime is 172108789. The next prime is 172108813. The reversal of 172108801 is 108801271.

It is a balanced prime because it is at equal distance from previous prime (172108789) and next prime (172108813).

It can be written as a sum of positive squares in only one way, i.e., 163814401 + 8294400 = 12799^2 + 2880^2 .

It is an emirp because it is prime and its reverse (108801271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172108801 - 2¹⁹ = 171584513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172108801.

It is not a weakly prime, because it can be changed into another prime (172108891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86054400 + 86054401.

It is an arithmetic number, because the mean of its divisors is an integer number (86054401).

Almost surely, 2^172108801 is an apocalyptic number.

It is an amenable number.

172108801 is a deficient number, since it is larger than the sum of its proper divisors (1).

172108801 is an equidigital number, since it uses as much as digits as its factorization.

172108801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 172108801 is about 13119.0243920804. The cubic root of 172108801 is about 556.2470144855.

The spelling of 172108801 in words is "one hundred seventy-two million, one hundred eight thousand, eight hundred one".