1421423041224 has 512 divisors, whose sum is σ = 4062038077440. Its totient is φ = 412397568000.

The previous prime is 1421423041217. The next prime is 1421423041267. The reversal of 1421423041224 is 4221403241241.

It is a junction number, because it is equal to n+sod(n) for n = 1421423041191 and 1421423041200.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6261775399 + ... + 6261775625.

It is an arithmetic number, because the mean of its divisors is an integer number (7933668120).

Almost surely, 2^{1421423041224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421423041224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031019038720).

1421423041224 is an abundant number, since it is smaller than the sum of its proper divisors (2640615036216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421423041224 is a wasteful number, since it uses less digits than its factorization.

1421423041224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

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

Adding to 1421423041224 its reverse (4221403241241), we get a palindrome (5642826282465).

The spelling of 1421423041224 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-three million, forty-one thousand, two hundred twenty-four".