105081305 has 16 divisors (see below), whose sum is σ = 151697280. Its totient is φ = 68262912.

The previous prime is 105081287. The next prime is 105081313. The reversal of 105081305 is 503180501.

It is a cyclic number.

It is not a de Polignac number, because 105081305 - 2⁶ = 105081241 is a prime.

It is a super-2 number, since 2×105081305² = 22084161321006050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78344 + ... + 79673.

It is an arithmetic number, because the mean of its divisors is an integer number (9481080).

Almost surely, 2^105081305 is an apocalyptic number.

It is an amenable number.

105081305 is a deficient number, since it is larger than the sum of its proper divisors (46615975).

105081305 is a wasteful number, since it uses less digits than its factorization.

105081305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158048.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 105081305 is about 10250.9172760295. The cubic root of 105081305 is about 471.8911355388.

The spelling of 105081305 in words is "one hundred five million, eighty-one thousand, three hundred five".