1242443104142 has 8 divisors (see below), whose sum is σ = 1884604708800. Its totient is φ = 614241534544.

The previous prime is 1242443104129. The next prime is 1242443104157. The reversal of 1242443104142 is 2414013442421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242443104099 and 1242443104108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3490008542 + ... + 3490008897.

It is an arithmetic number, because the mean of its divisors is an integer number (235575588600).

Almost surely, 2^{1242443104142} is an apocalyptic number.

1242443104142 is a deficient number, since it is larger than the sum of its proper divisors (642161604658).

1242443104142 is an equidigital number, since it uses as much as digits as its factorization.

1242443104142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980017530.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1242443104142 its reverse (2414013442421), we get a palindrome (3656456546563).

The spelling of 1242443104142 in words is "one trillion, two hundred forty-two billion, four hundred forty-three million, one hundred four thousand, one hundred forty-two".