117238 has 12 divisors (see below), whose sum is σ = 194508. Its totient is φ = 52560.

The previous prime is 117223. The next prime is 117239. The reversal of 117238 is 832711.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 (117239) by changing a digit.

117238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 1570 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (16209).

2¹¹⁷²³⁸ is an apocalyptic number.

117238 is a deficient number, since it is larger than the sum of its proper divisors (77270).

117238 is an equidigital number, since it uses as much as digits as its factorization.

117238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 86 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 117238 is about 342.4003504671. The cubic root of 117238 is about 48.9428738675.

Multiplying 117238 by its sum of digits (22), we get a square (2579236 = 1606²).

117238 divided by its sum of digits (22) gives a square (5329 = 73²).

Adding to 117238 its reverse (832711), we get a palindrome (949949).

The spelling of 117238 in words is "one hundred seventeen thousand, two hundred thirty-eight".