117481 has 8 divisors (see below), whose sum is σ = 144704. Its totient is φ = 92880.

The previous prime is 117443. The next prime is 117497. The reversal of 117481 is 184711.

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

It is a cyclic number.

It is not a de Polignac number, because 117481 - 2⁷ = 117353 is a prime.

It is a super-2 number, since 2×117481² = 27603570722, which contains 22 as substring.

117481 is a modest number, since divided by 481 gives 117 as remainder.

117481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (117431) 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, 555 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (18088).

2¹¹⁷⁴⁸¹ is an apocalyptic number.

It is an amenable number.

117481 is a deficient number, since it is larger than the sum of its proper divisors (27223).

117481 is a wasteful number, since it uses less digits than its factorization.

117481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its digits is 224, while the sum is 22.

The square root of 117481 is about 342.7550145512. The cubic root of 117481 is about 48.9766652742.

The spelling of 117481 in words is "one hundred seventeen thousand, four hundred eighty-one".