4200106 has 4 divisors (see below), whose sum is σ = 6300162. Its totient is φ = 2100052.

The previous prime is 4200103. The next prime is 4200109. The reversal of 4200106 is 6010024.

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

It is an interprime number because it is at equal distance from previous prime (4200103) and next prime (4200109).

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 164025 = 2009^2 + 405^2 .

It is a super-2 number, since 2×4200106² = 35281780822472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4200103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050025 + ... + 1050028.

Almost surely, 2^4200106 is an apocalyptic number.

4200106 is a deficient number, since it is larger than the sum of its proper divisors (2100056).

4200106 is a wasteful number, since it uses less digits than its factorization.

4200106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100055.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4200106 is about 2049.4160143807. The cubic root of 4200106 is about 161.3442219199.

The spelling of 4200106 in words is "four million, two hundred thousand, one hundred six".