268121259 has 40 divisors (see below), whose sum is σ = 459157248. Its totient is φ = 152740080.

The previous prime is 268121251. The next prime is 268121267. The reversal of 268121259 is 952121862.

It is an interprime number because it is at equal distance from previous prime (268121251) and next prime (268121267).

It is not a de Polignac number, because 268121259 - 2³ = 268121251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268121251) 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 39 ways as a sum of consecutive naturals, for example, 275644 + ... + 276614.

Almost surely, 2^268121259 is an apocalyptic number.

268121259 is a deficient number, since it is larger than the sum of its proper divisors (191035989).

268121259 is an equidigital number, since it uses as much as digits as its factorization.

268121259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1468 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 268121259 is about 16374.4086610784. The cubic root of 268121259 is about 644.8277961054.

The spelling of 268121259 in words is "two hundred sixty-eight million, one hundred twenty-one thousand, two hundred fifty-nine".