268121151 has 16 divisors (see below), whose sum is σ = 399006720. Its totient is φ = 177941880.

The previous prime is 268121149. The next prime is 268121159. The reversal of 268121151 is 151121862.

It is not a de Polignac number, because 268121151 - 2¹ = 268121149 is a prime.

It is a super-2 number, since 2×268121151² = 143777903227129602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268121159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16245 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (24937920).

Almost surely, 2^268121151 is an apocalyptic number.

268121151 is a deficient number, since it is larger than the sum of its proper divisors (130885569).

268121151 is a wasteful number, since it uses less digits than its factorization.

268121151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44763 (or 44757 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 268121151 is about 16374.4053632491. The cubic root of 268121151 is about 644.8277095259.

It can be divided in two parts, 2681 and 21151, that added together give a palindrome (23832).

The spelling of 268121151 in words is "two hundred sixty-eight million, one hundred twenty-one thousand, one hundred fifty-one".