172115214 has 16 divisors (see below), whose sum is σ = 344580480. Its totient is φ = 57313400.

The previous prime is 172115183. The next prime is 172115227. The reversal of 172115214 is 412511271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7962 + ... + 20189.

It is an arithmetic number, because the mean of its divisors is an integer number (21536280).

Almost surely, 2^172115214 is an apocalyptic number.

172115214 is an abundant number, since it is smaller than the sum of its proper divisors (172465266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172115214 is a wasteful number, since it uses less digits than its factorization.

172115214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29175.

The product of its digits is 560, while the sum is 24.

The square root of 172115214 is about 13119.2688058443. The cubic root of 172115214 is about 556.2539232312.

Adding to 172115214 its reverse (412511271), we get a palindrome (584626485).

The spelling of 172115214 in words is "one hundred seventy-two million, one hundred fifteen thousand, two hundred fourteen".