117229 has 4 divisors (see below), whose sum is σ = 133984. Its totient is φ = 100476.

The previous prime is 117223. The next prime is 117239. The reversal of 117229 is 922711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922711 = 83 ⋅11117.

It is a cyclic number.

It is not a de Polignac number, because 117229 - 2⁷ = 117101 is a prime.

It is a Duffinian number.

117229 is a lucky number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8367 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (33496).

2¹¹⁷²²⁹ is an apocalyptic number.

It is an amenable number.

117229 is a deficient number, since it is larger than the sum of its proper divisors (16755).

117229 is an equidigital number, since it uses as much as digits as its factorization.

117229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754.

The product of its digits is 252, while the sum is 22.

The square root of 117229 is about 342.3872077050. The cubic root of 117229 is about 48.9416214375.

The spelling of 117229 in words is "one hundred seventeen thousand, two hundred twenty-nine".