2103260042 has 16 divisors (see below), whose sum is σ = 3489401832. Its totient is φ = 944498880.

The previous prime is 2103260041. The next prime is 2103260063. The reversal of 2103260042 is 2400623012.

It can be written as a sum of positive squares in 4 ways, for example, as 2093154001 + 10106041 = 45751^2 + 3179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103259996 and 2103260023.

It is not an unprimeable number, because it can be changed into a prime (2103260041) 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, 1092209 + ... + 1094132.

Almost surely, 2^2103260042 is an apocalyptic number.

2103260042 is a deficient number, since it is larger than the sum of its proper divisors (1386141790).

2103260042 is a wasteful number, since it uses less digits than its factorization.

2103260042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186393.

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

The square root of 2103260042 is about 45861.3131299138. The cubic root of 2103260042 is about 1281.2414798180.

Adding to 2103260042 its reverse (2400623012), we get a palindrome (4503883054).

The spelling of 2103260042 in words is "two billion, one hundred three million, two hundred sixty thousand, forty-two".