117030521 has 8 divisors (see below), whose sum is σ = 119210880. Its totient is φ = 114867792.

The previous prime is 117030497. The next prime is 117030559. The reversal of 117030521 is 125030711.

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-117030521 is a prime.

It is a super-2 number, since 2×117030521² = 27392285691062882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117030493 and 117030502.

It is not an unprimeable number, because it can be changed into a prime (117030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9386 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (14901360).

Almost surely, 2^117030521 is an apocalyptic number.

It is an amenable number.

117030521 is a deficient number, since it is larger than the sum of its proper divisors (2180359).

117030521 is an equidigital number, since it uses as much as digits as its factorization.

117030521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 117030521 is about 10818.0645681194. The cubic root of 117030521 is about 489.1398501255.

The spelling of 117030521 in words is "one hundred seventeen million, thirty thousand, five hundred twenty-one".