106312042 has 8 divisors (see below), whose sum is σ = 159942276. Its totient is φ = 52997952.

The previous prime is 106312027. The next prime is 106312043. The reversal of 106312042 is 240213601.

It can be written as a sum of positive squares in 2 ways, for example, as 101989801 + 4322241 = 10099^2 + 2079^2 .

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

It is a super-2 number, since 2×106312042² = 22604500548419528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106312043) by changing a digit.

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, 78193 + ... + 79540.

Almost surely, 2^106312042 is an apocalyptic number.

106312042 is a deficient number, since it is larger than the sum of its proper divisors (53630234).

106312042 is a wasteful number, since it uses less digits than its factorization.

106312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158072.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 106312042 is about 10310.7731038948. The cubic root of 106312042 is about 473.7262895428.

Adding to 106312042 its reverse (240213601), we get a palindrome (346525643).

The spelling of 106312042 in words is "one hundred six million, three hundred twelve thousand, forty-two".