240712117 has 8 divisors (see below), whose sum is σ = 250437632. Its totient is φ = 231109200.

The previous prime is 240712103. The next prime is 240712127. The reversal of 240712117 is 711217042.

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-240712117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240712091 and 240712100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240712127) 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 7 ways as a sum of consecutive naturals, for example, 26634 + ... + 34507.

It is an arithmetic number, because the mean of its divisors is an integer number (31304704).

Almost surely, 2^240712117 is an apocalyptic number.

It is an amenable number.

240712117 is a deficient number, since it is larger than the sum of its proper divisors (9725515).

240712117 is a wasteful number, since it uses less digits than its factorization.

240712117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61299.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 240712117 is about 15514.8998385423. The cubic root of 240712117 is about 622.0605368030.

Adding to 240712117 its reverse (711217042), we get a palindrome (951929159).

The spelling of 240712117 in words is "two hundred forty million, seven hundred twelve thousand, one hundred seventeen".