1242042410003 has 4 divisors (see below), whose sum is σ = 1242141083520. Its totient is φ = 1241943736488.

The previous prime is 1242042409991. The next prime is 1242042410027. The reversal of 1242042410003 is 3000142402421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242042410003 - 2⁸ = 1242042409747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242042410093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49317875 + ... + 49343052.

It is an arithmetic number, because the mean of its divisors is an integer number (310535270880).

Almost surely, 2^{1242042410003} is an apocalyptic number.

1242042410003 is a deficient number, since it is larger than the sum of its proper divisors (98673517).

1242042410003 is an equidigital number, since it uses as much as digits as its factorization.

1242042410003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98673516.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1242042410003 its reverse (3000142402421), we get a palindrome (4242184812424).

The spelling of 1242042410003 in words is "one trillion, two hundred forty-two billion, forty-two million, four hundred ten thousand, three".