117040 has 80 divisors (see below), whose sum is σ = 357120. Its totient is φ = 34560.

The previous prime is 117037. The next prime is 117041. The reversal of 117040 is 40711.

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 117040.

It is not an unprimeable number, because it can be changed into a prime (117041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (4464).

2¹¹⁷⁰⁴⁰ is an apocalyptic number.

117040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178560).

117040 is an abundant number, since it is smaller than the sum of its proper divisors (240080).

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

117040 is a wasteful number, since it uses less digits than its factorization.

117040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 117040 is about 342.1110930677. Note that the first 3 decimals coincide. The cubic root of 117040 is about 48.9153055887.

Adding to 117040 its reverse (40711), we get a palindrome (157751).

The spelling of 117040 in words is "one hundred seventeen thousand, forty", and thus it is an iban number.