106106642 has 4 divisors (see below), whose sum is σ = 159159966. Its totient is φ = 53053320.

The previous prime is 106106641. The next prime is 106106719. The reversal of 106106642 is 246601601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246601601 = 2963 ⋅83227.

It can be written as a sum of positive squares in only one way, i.e., 101989801 + 4116841 = 10099^2 + 2029^2 .

It is a super-2 number, since 2×106106642² = 22517238953032328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106106641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526659 + ... + 26526662.

Almost surely, 2^106106642 is an apocalyptic number.

106106642 is a deficient number, since it is larger than the sum of its proper divisors (53053324).

106106642 is an equidigital number, since it uses as much as digits as its factorization.

106106642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53053323.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 106106642 is about 10300.8078323984. The cubic root of 106106642 is about 473.4210054930.

The spelling of 106106642 in words is "one hundred six million, one hundred six thousand, six hundred forty-two".