1242453204441 has 24 divisors (see below), whose sum is σ = 1797990951744. Its totient is φ = 826763021280.

The previous prime is 1242453204431. The next prime is 1242453204479. The reversal of 1242453204441 is 1444023542421.

1242453204441 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 4 + 5 + 3 + 204 + 441 = 666.

It is not a de Polignac number, because 1242453204441 - 2¹³ = 1242453196249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242453204396 and 1242453204405.

It is not an unprimeable number, because it can be changed into a prime (1242453204431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22159855 + ... + 22215851.

It is an arithmetic number, because the mean of its divisors is an integer number (74916289656).

Almost surely, 2^{1242453204441} is an apocalyptic number.

It is an amenable number.

1242453204441 is a deficient number, since it is larger than the sum of its proper divisors (555537747303).

1242453204441 is a wasteful number, since it uses less digits than its factorization.

1242453204441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60541 (or 60538 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 1242453204441 its reverse (1444023542421), we get a palindrome (2686476746862).

The spelling of 1242453204441 in words is "one trillion, two hundred forty-two billion, four hundred fifty-three million, two hundred four thousand, four hundred forty-one".