105905092 has 6 divisors (see below), whose sum is σ = 185333918. Its totient is φ = 52952544.

The previous prime is 105905081. The next prime is 105905099. The reversal of 105905092 is 290509501.

It can be written as a sum of positive squares in only one way, i.e., 94167616 + 11737476 = 9704^2 + 3426^2 .

It is a super-2 number, since 2×105905092² = 22431777023056928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105905099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13238133 + ... + 13238140.

Almost surely, 2^105905092 is an apocalyptic number.

It is an amenable number.

105905092 is a deficient number, since it is larger than the sum of its proper divisors (79428826).

105905092 is a wasteful number, since it uses less digits than its factorization.

105905092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26476277 (or 26476275 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 105905092 is about 10291.0199688855. The cubic root of 105905092 is about 473.1210604524.

The spelling of 105905092 in words is "one hundred five million, nine hundred five thousand, ninety-two".