268648121 has 8 divisors (see below), whose sum is σ = 309744384. Its totient is φ = 228231360.

The previous prime is 268648117. The next prime is 268648123. The reversal of 268648121 is 121846862.

It is a happy number.

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

It is not a de Polignac number, because 268648121 - 2² = 268648117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268648123) 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 7 ways as a sum of consecutive naturals, for example, 169025 + ... + 170606.

It is an arithmetic number, because the mean of its divisors is an integer number (38718048).

Almost surely, 2^268648121 is an apocalyptic number.

It is an amenable number.

268648121 is a deficient number, since it is larger than the sum of its proper divisors (41096263).

268648121 is a wasteful number, since it uses less digits than its factorization.

268648121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339751.

The product of its digits is 36864, while the sum is 38.

The square root of 268648121 is about 16390.4887358492. The cubic root of 268648121 is about 645.2498849494.

The spelling of 268648121 in words is "two hundred sixty-eight million, six hundred forty-eight thousand, one hundred twenty-one".