2003612042 has 4 divisors (see below), whose sum is σ = 3005418066. Its totient is φ = 1001806020.

The previous prime is 2003612003. The next prime is 2003612069. The reversal of 2003612042 is 2402163002.

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., 1020099721 + 983512321 = 31939^2 + 31361^2 .

It is a super-2 number, since 2×2003612042² = 8028922429694819528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500903009 + ... + 500903012.

Almost surely, 2^2003612042 is an apocalyptic number.

2003612042 is a deficient number, since it is larger than the sum of its proper divisors (1001806024).

2003612042 is a wasteful number, since it uses less digits than its factorization.

2003612042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001806023.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2003612042 is about 44761.7251901667. The cubic root of 2003612042 is about 1260.6790750329.

Adding to 2003612042 its reverse (2402163002), we get a palindrome (4405775044).

The spelling of 2003612042 in words is "two billion, three million, six hundred twelve thousand, forty-two".