117387265 has 8 divisors (see below), whose sum is σ = 140985000. Its totient is φ = 93829632.

The previous prime is 117387253. The next prime is 117387287. The reversal of 117387265 is 562783711.

It can be written as a sum of positive squares in 4 ways, for example, as 22733824 + 94653441 = 4768^2 + 9729^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 117387265 - 2¹¹ = 117385217 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3154 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (17623125).

Almost surely, 2^117387265 is an apocalyptic number.

It is an amenable number.

117387265 is a deficient number, since it is larger than the sum of its proper divisors (23597735).

117387265 is a wasteful number, since it uses less digits than its factorization.

117387265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051.

The product of its digits is 70560, while the sum is 40.

The square root of 117387265 is about 10834.5403686543. The cubic root of 117387265 is about 489.6363607731.

The spelling of 117387265 in words is "one hundred seventeen million, three hundred eighty-seven thousand, two hundred sixty-five".