1421320123224 has 96 divisors (see below), whose sum is σ = 4085302703040. Its totient is φ = 444869606400.

The previous prime is 1421320123211. The next prime is 1421320123243. The reversal of 1421320123224 is 4223210231241.

1421320123224 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 320 + 12 + 322 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819567 + ... + 1874654.

It is an arithmetic number, because the mean of its divisors is an integer number (42555236490).

Almost surely, 2^{1421320123224} is an apocalyptic number.

It is an amenable number.

1421320123224 is an abundant number, since it is smaller than the sum of its proper divisors (2663982579816).

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

1421320123224 is a wasteful number, since it uses less digits than its factorization.

1421320123224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694681 (or 2694674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1421320123224 its reverse (4223210231241), we get a palindrome (5644530354465).

The spelling of 1421320123224 in words is "one trillion, four hundred twenty-one billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twenty-four".