2120603042 has 4 divisors (see below), whose sum is σ = 3180904566. Its totient is φ = 1060301520.

The previous prime is 2120603041. The next prime is 2120603063. The reversal of 2120603042 is 2403060212.

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., 1717356481 + 403246561 = 41441^2 + 20081^2 .

It is not an unprimeable number, because it can be changed into a prime (2120603041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530150759 + ... + 530150762.

Almost surely, 2^2120603042 is an apocalyptic number.

2120603042 is a deficient number, since it is larger than the sum of its proper divisors (1060301524).

2120603042 is a wasteful number, since it uses less digits than its factorization.

2120603042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060301523.

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

The square root of 2120603042 is about 46050.0058849073. The cubic root of 2120603042 is about 1284.7534522725.

Adding to 2120603042 its reverse (2403060212), we get a palindrome (4523663254).

The spelling of 2120603042 in words is "two billion, one hundred twenty million, six hundred three thousand, forty-two".