1241242421421 has 8 divisors (see below), whose sum is σ = 1659900845824. Its totient is φ = 825039472320.

The previous prime is 1241242421413. The next prime is 1241242421453.

1241242421421 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1241242421421 - 2³ = 1241242421413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241242421401) 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, 613867645 + ... + 613869666.

It is an arithmetic number, because the mean of its divisors is an integer number (207487605728).

Almost surely, 2^{1241242421421} is an apocalyptic number.

It is an amenable number.

1241242421421 is a deficient number, since it is larger than the sum of its proper divisors (418658424403).

1241242421421 is a wasteful number, since it uses less digits than its factorization.

1241242421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227737651.

The product of its digits is 8192, while the sum is 30.

The spelling of 1241242421421 in words is "one trillion, two hundred forty-one billion, two hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-one".