117203265 has 24 divisors (see below), whose sum is σ = 206487528. Its totient is φ = 61482240.

The previous prime is 117203263. The next prime is 117203291. The reversal of 117203265 is 562302711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3908529 + 113294736 = 1977^2 + 10644^2 .

It is not a de Polignac number, because 117203265 - 2¹ = 117203263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117203263) 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 23 ways as a sum of consecutive naturals, for example, 18604 + ... + 24093.

It is an arithmetic number, because the mean of its divisors is an integer number (8603647).

Almost surely, 2^117203265 is an apocalyptic number.

117203265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117203265 is a deficient number, since it is larger than the sum of its proper divisors (89284263).

117203265 is a wasteful number, since it uses less digits than its factorization.

117203265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42769 (or 42766 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 117203265 is about 10826.0456769774. The cubic root of 117203265 is about 489.3803983002.

Adding to 117203265 its reverse (562302711), we get a palindrome (679505976).

The spelling of 117203265 in words is "one hundred seventeen million, two hundred three thousand, two hundred sixty-five".