172130151 has 16 divisors (see below), whose sum is σ = 245286144. Its totient is φ = 106990464.

The previous prime is 172130149. The next prime is 172130171. The reversal of 172130151 is 151031271.

It is a happy number.

It is not a de Polignac number, because 172130151 - 2¹ = 172130149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172130111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10315 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (15330384).

Almost surely, 2^172130151 is an apocalyptic number.

172130151 is a deficient number, since it is larger than the sum of its proper divisors (73155993).

172130151 is a wasteful number, since it uses less digits than its factorization.

172130151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31670.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 172130151 is about 13119.8380706471. The cubic root of 172130151 is about 556.2700142443.

The spelling of 172130151 in words is "one hundred seventy-two million, one hundred thirty thousand, one hundred fifty-one".