172113 has 8 divisors (see below), whose sum is σ = 232128. Its totient is φ = 113424.

The previous prime is 172097. The next prime is 172127. The reversal of 172113 is 311271.

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

It is not a de Polignac number, because 172113 - 2⁴ = 172097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172092 and 172101.

It is not an unprimeable number, because it can be changed into a prime (172153) 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, 31 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2¹⁷²¹¹³ is an apocalyptic number.

It is an amenable number.

172113 is a deficient number, since it is larger than the sum of its proper divisors (60015).

172113 is a wasteful number, since it uses less digits than its factorization.

172113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its digits is 42, while the sum is 15.

The square root of 172113 is about 414.8650382956. The cubic root of 172113 is about 55.6251538101.

Adding to 172113 its reverse (311271), we get a palindrome (483384).

The spelling of 172113 in words is "one hundred seventy-two thousand, one hundred thirteen".