105278268 has 24 divisors (see below), whose sum is σ = 256330368. Its totient is φ = 33566896.

The previous prime is 105278267. The next prime is 105278269. The reversal of 105278268 is 862872501.

It is an interprime number because it is at equal distance from previous prime (105278267) and next prime (105278269).

It is a super-2 number, since 2×105278268² = 22167027426159648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105278267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190446 + ... + 190997.

It is an arithmetic number, because the mean of its divisors is an integer number (10680432).

Almost surely, 2^105278268 is an apocalyptic number.

It is an amenable number.

105278268 is an abundant number, since it is smaller than the sum of its proper divisors (151052100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105278268 is a wasteful number, since it uses less digits than its factorization.

105278268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381473 (or 381471 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 105278268 is about 10260.5198698701. The cubic root of 105278268 is about 472.1857870071.

The spelling of 105278268 in words is "one hundred five million, two hundred seventy-eight thousand, two hundred sixty-eight".