117172 has 12 divisors (see below), whose sum is σ = 223776. Its totient is φ = 53240.
The previous prime is 117167. The next prime is 117191. The reversal of 117172 is 271711.
It is a congruent number.
It is an unprimeable number.
117172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288 + ... + 1375.
It is an arithmetic number, because the mean of its divisors is an integer number (18648).
2117172 is an apocalyptic number.
It is an amenable number.
117172 is a deficient number, since it is larger than the sum of its proper divisors (106604).
117172 is a wasteful number, since it uses less digits than its factorization.
117172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).
The product of its digits is 98, while the sum is 19.
The square root of 117172 is about 342.3039584930. The cubic root of 117172 is about 48.9336878924.
Adding to 117172 its reverse (271711), we get a palindrome (388883).
It can be divided in two parts, 117 and 172, that added together give a square (289 = 172).
The spelling of 117172 in words is "one hundred seventeen thousand, one hundred seventy-two", and thus it is an iban number.
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