117248247 has 12 divisors (see below), whose sum is σ = 175198920. Its totient is φ = 75469968.

The previous prime is 117248239. The next prime is 117248251. The reversal of 117248247 is 742842711.

117248247 is a `hidden beast` number, since 1 + 172 + 482 + 4 + 7 = 666.

It is not a de Polignac number, because 117248247 - 2³ = 117248239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117248267) 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 11 ways as a sum of consecutive naturals, for example, 224353 + ... + 224874.

It is an arithmetic number, because the mean of its divisors is an integer number (14599910).

Almost surely, 2^117248247 is an apocalyptic number.

117248247 is a deficient number, since it is larger than the sum of its proper divisors (57950673).

117248247 is a wasteful number, since it uses less digits than its factorization.

117248247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449262 (or 449259 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 117248247 is about 10828.1229675323. The cubic root of 117248247 is about 489.4429975048.

The spelling of 117248247 in words is "one hundred seventeen million, two hundred forty-eight thousand, two hundred forty-seven".