1242420513441 has 32 divisors (see below), whose sum is σ = 1768513536000. Its totient is φ = 773544764160.

The previous prime is 1242420513427. The next prime is 1242420513487. The reversal of 1242420513441 is 1443150242421.

It is not a de Polignac number, because 1242420513441 - 2¹¹ = 1242420511393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242420713441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58464480 + ... + 58485726.

It is an arithmetic number, because the mean of its divisors is an integer number (55266048000).

Almost surely, 2^{1242420513441} is an apocalyptic number.

It is an amenable number.

1242420513441 is a deficient number, since it is larger than the sum of its proper divisors (526093022559).

1242420513441 is a wasteful number, since it uses less digits than its factorization.

1242420513441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35789.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 1242420513441 its reverse (1443150242421), we get a palindrome (2685570755862).

The spelling of 1242420513441 in words is "one trillion, two hundred forty-two billion, four hundred twenty million, five hundred thirteen thousand, four hundred forty-one".