4202042 has 16 divisors (see below), whose sum is σ = 7023240. Its totient is φ = 1872192.

The previous prime is 4202027. The next prime is 4202047. The reversal of 4202042 is 2402024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1771561 + 2430481 = 1331^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (4202047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033 + ... + 3540.

Almost surely, 2^4202042 is an apocalyptic number.

4202042 is a deficient number, since it is larger than the sum of its proper divisors (2821198).

4202042 is a wasteful number, since it uses less digits than its factorization.

4202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617.

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

The square root of 4202042 is about 2049.8882896392. Note that the first 3 decimals coincide. The cubic root of 4202042 is about 161.3690081541.

Adding to 4202042 its reverse (2402024), we get a palindrome (6604066).

The spelling of 4202042 in words is "four million, two hundred two thousand, forty-two".