172141207 has 8 divisors (see below), whose sum is σ = 199958432. Its totient is φ = 145130400.

The previous prime is 172141199. The next prime is 172141231. The reversal of 172141207 is 702141271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172141207 - 2³ = 172141199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172142207) 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 7 ways as a sum of consecutive naturals, for example, 201144 + ... + 201997.

It is an arithmetic number, because the mean of its divisors is an integer number (24994804).

Almost surely, 2^172141207 is an apocalyptic number.

172141207 is a deficient number, since it is larger than the sum of its proper divisors (27817225).

172141207 is an equidigital number, since it uses as much as digits as its factorization.

172141207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403209.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 172141207 is about 13120.2594105452. The cubic root of 172141207 is about 556.2819238169.

Adding to 172141207 its reverse (702141271), we get a palindrome (874282478).

The spelling of 172141207 in words is "one hundred seventy-two million, one hundred forty-one thousand, two hundred seven".