106142105 has 4 divisors (see below), whose sum is σ = 127370532. Its totient is φ = 84913680.

The previous prime is 106142083. The next prime is 106142111. The reversal of 106142105 is 501241601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16801801 + 89340304 = 4099^2 + 9452^2 .

It is not a de Polignac number, because 106142105 - 2⁶ = 106142041 is a prime.

It is a super-2 number, since 2×106142105² = 22532292907662050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10614206 + ... + 10614215.

It is an arithmetic number, because the mean of its divisors is an integer number (31842633).

Almost surely, 2^106142105 is an apocalyptic number.

It is an amenable number.

106142105 is a deficient number, since it is larger than the sum of its proper divisors (21228427).

106142105 is an equidigital number, since it uses as much as digits as its factorization.

106142105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228426.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 106142105 is about 10302.5290584400. The cubic root of 106142105 is about 473.4737419311.

Adding to 106142105 its reverse (501241601), we get a palindrome (607383706).

The spelling of 106142105 in words is "one hundred six million, one hundred forty-two thousand, one hundred five".