117132521 has 8 divisors (see below), whose sum is σ = 128489088. Its totient is φ = 105894000.

The previous prime is 117132503. The next prime is 117132551. The reversal of 117132521 is 125231711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117132521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117132551) 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, 27425 + ... + 31406.

It is an arithmetic number, because the mean of its divisors is an integer number (16061136).

Almost surely, 2^117132521 is an apocalyptic number.

117132521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117132521 is a deficient number, since it is larger than the sum of its proper divisors (11356567).

117132521 is a wasteful number, since it uses less digits than its factorization.

117132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59023.

The product of its digits is 420, while the sum is 23.

The square root of 117132521 is about 10822.7778781605. Note that the first 3 decimals coincide. The cubic root of 117132521 is about 489.2819149945.

The spelling of 117132521 in words is "one hundred seventeen million, one hundred thirty-two thousand, five hundred twenty-one".