268879121 has 12 divisors (see below), whose sum is σ = 314089380. Its totient is φ = 229501440.

The previous prime is 268879099. The next prime is 268879133. The reversal of 268879121 is 121978862.

It can be written as a sum of positive squares in 2 ways, for example, as 82174225 + 186704896 = 9065^2 + 13664^2 .

It is not a de Polignac number, because 268879121 - 2²² = 264684817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268879321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (26174115).

Almost surely, 2^268879121 is an apocalyptic number.

It is an amenable number.

268879121 is a deficient number, since it is larger than the sum of its proper divisors (45210259).

268879121 is a wasteful number, since it uses less digits than its factorization.

268879121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23024 (or 23017 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 268879121 is about 16397.5339914269. The cubic root of 268879121 is about 645.4347736701.

The spelling of 268879121 in words is "two hundred sixty-eight million, eight hundred seventy-nine thousand, one hundred twenty-one".