105080042 has 8 divisors (see below), whose sum is σ = 157884132. Its totient is φ = 52452000.

The previous prime is 105080029. The next prime is 105080057. The reversal of 105080042 is 240080501.

It can be written as a sum of positive squares in 2 ways, for example, as 94458961 + 10621081 = 9719^2 + 3259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105080042² = 22083630453443528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105079996 and 105080023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42509 + ... + 44912.

Almost surely, 2^105080042 is an apocalyptic number.

105080042 is a deficient number, since it is larger than the sum of its proper divisors (52804090).

105080042 is an equidigital number, since it uses as much as digits as its factorization.

105080042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88024.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 105080042 is about 10250.8556716013. The cubic root of 105080042 is about 471.8892449364.

The spelling of 105080042 in words is "one hundred five million, eighty thousand, forty-two".