1241004421443 has 16 divisors (see below), whose sum is σ = 1740842068896. Its totient is φ = 785342280960.

The previous prime is 1241004421427. The next prime is 1241004421493. The reversal of 1241004421443 is 3441244001421.

It is a happy number.

It is not a de Polignac number, because 1241004421443 - 2⁴ = 1241004421427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1241004421443.

It is not an unprimeable number, because it can be changed into a prime (1241004421403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136339596 + ... + 136348697.

It is an arithmetic number, because the mean of its divisors is an integer number (108802629306).

Almost surely, 2^{1241004421443} is an apocalyptic number.

1241004421443 is a deficient number, since it is larger than the sum of its proper divisors (499837647453).

1241004421443 is a wasteful number, since it uses less digits than its factorization.

1241004421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272688374.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1241004421443 its reverse (3441244001421), we get a palindrome (4682248422864).

The spelling of 1241004421443 in words is "one trillion, two hundred forty-one billion, four million, four hundred twenty-one thousand, four hundred forty-three".