172152201 has 8 divisors (see below), whose sum is σ = 247192960. Its totient is φ = 105939792.

The previous prime is 172152181. The next prime is 172152203. The reversal of 172152201 is 102251271.

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

It is not a de Polignac number, because 172152201 - 2⁶ = 172152137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172152203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207041 + ... + 2207118.

It is an arithmetic number, because the mean of its divisors is an integer number (30899120).

Almost surely, 2^172152201 is an apocalyptic number.

It is an amenable number.

172152201 is a deficient number, since it is larger than the sum of its proper divisors (75040759).

172152201 is a wasteful number, since it uses less digits than its factorization.

172152201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414175.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 172152201 is about 13120.6783742305. The cubic root of 172152201 is about 556.2937660972.

The spelling of 172152201 in words is "one hundred seventy-two million, one hundred fifty-two thousand, two hundred one".