105312068 has 6 divisors (see below), whose sum is σ = 184296126. Its totient is φ = 52656032.

The previous prime is 105312061. The next prime is 105312073. The reversal of 105312068 is 860213501.

It can be written as a sum of positive squares in only one way, i.e., 103876864 + 1435204 = 10192^2 + 1198^2 .

It is a super-2 number, since 2×105312068² = 22181263332873248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105312061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164005 + ... + 13164012.

It is an arithmetic number, because the mean of its divisors is an integer number (30716021).

Almost surely, 2^105312068 is an apocalyptic number.

It is an amenable number.

105312068 is a deficient number, since it is larger than the sum of its proper divisors (78984058).

105312068 is a wasteful number, since it uses less digits than its factorization.

105312068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328021 (or 26328019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 105312068 is about 10262.1668277221. The cubic root of 105312068 is about 472.2363139652.

Adding to 105312068 its reverse (860213501), we get a palindrome (965525569).

The spelling of 105312068 in words is "one hundred five million, three hundred twelve thousand, sixty-eight".