117039481 has 8 divisors (see below), whose sum is σ = 126568904. Its totient is φ = 107585280.

The previous prime is 117039463. The next prime is 117039491. The reversal of 117039481 is 184930711.

It can be written as a sum of positive squares in 4 ways, for example, as 3936256 + 113103225 = 1984^2 + 10635^2 .

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 117039481 - 2¹⁹ = 116515193 is a prime.

It is a super-2 number, since 2×117039481² = 27396480225498722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117039401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15546 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (15821113).

Almost surely, 2^117039481 is an apocalyptic number.

It is an amenable number.

117039481 is a deficient number, since it is larger than the sum of its proper divisors (9529423).

117039481 is a wasteful number, since it uses less digits than its factorization.

117039481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37611.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 117039481 is about 10818.4786823287. The cubic root of 117039481 is about 489.1523328556.

The spelling of 117039481 in words is "one hundred seventeen million, thirty-nine thousand, four hundred eighty-one".