117520027 has 4 divisors (see below), whose sum is σ = 119737440. Its totient is φ = 115302616.

The previous prime is 117520021. The next prime is 117520043. The reversal of 117520027 is 720025711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720025711 = 13219 ⋅54469.

It is a cyclic number.

It is not a de Polignac number, because 117520027 - 2³ = 117520019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117519983 and 117520010.

It is not an unprimeable number, because it can be changed into a prime (117520021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108627 + ... + 1108732.

It is an arithmetic number, because the mean of its divisors is an integer number (29934360).

Almost surely, 2^117520027 is an apocalyptic number.

117520027 is a deficient number, since it is larger than the sum of its proper divisors (2217413).

117520027 is an equidigital number, since it uses as much as digits as its factorization.

117520027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217412.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 117520027 is about 10840.6654316052. The cubic root of 117520027 is about 489.8208799699.

Adding to 117520027 its reverse (720025711), we get a palindrome (837545738).

The spelling of 117520027 in words is "one hundred seventeen million, five hundred twenty thousand, twenty-seven".