4200242 has 4 divisors (see below), whose sum is σ = 6300366. Its totient is φ = 2100120.

The previous prime is 4200239. The next prime is 4200247. The reversal of 4200242 is 2420024.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 1540081 = 1631^2 + 1241^2 .

It is not an unprimeable number, because it can be changed into a prime (4200247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050059 + ... + 1050062.

Almost surely, 2^4200242 is an apocalyptic number.

4200242 is a deficient number, since it is larger than the sum of its proper divisors (2100124).

4200242 is a wasteful number, since it uses less digits than its factorization.

4200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100123.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4200242 is about 2049.4491942959. The cubic root of 4200242 is about 161.3459633503.

Adding to 4200242 its reverse (2420024), we get a palindrome (6620266).

It can be divided in two parts, 420024 and 2, that multiplied together give a palindrome (840048).

The spelling of 4200242 in words is "four million, two hundred thousand, two hundred forty-two".