260012117 has 8 divisors (see below), whose sum is σ = 265396824. Its totient is φ = 254645248.

The previous prime is 260012113. The next prime is 260012143. The reversal of 260012117 is 711210062.

It can be written as a sum of positive squares in 4 ways, for example, as 108451396 + 151560721 = 10414^2 + 12311^2 .

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 260012117 - 2² = 260012113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260012113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27293 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (33174603).

Almost surely, 2^260012117 is an apocalyptic number.

It is an amenable number.

260012117 is a deficient number, since it is larger than the sum of its proper divisors (5384707).

260012117 is an equidigital number, since it uses as much as digits as its factorization.

260012117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 260012117 is about 16124.8912244393. The cubic root of 260012117 is about 638.2603447069.

Adding to 260012117 its reverse (711210062), we get a palindrome (971222179).

The spelling of 260012117 in words is "two hundred sixty million, twelve thousand, one hundred seventeen".