1421021324143 has 8 divisors (see below), whose sum is σ = 1467018055296. Its totient is φ = 1375034426400.

The previous prime is 1421021324117. The next prime is 1421021324147. The reversal of 1421021324143 is 3414231201241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1421021324143 - 2³⁷ = 1283582370671 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 (1421021324147) 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, 2164096 + ... + 2743237.

It is an arithmetic number, because the mean of its divisors is an integer number (183377256912).

Almost surely, 2^{1421021324143} is an apocalyptic number.

1421021324143 is a deficient number, since it is larger than the sum of its proper divisors (45996731153).

1421021324143 is an equidigital number, since it uses as much as digits as its factorization.

1421021324143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916705.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1421021324143 its reverse (3414231201241), we get a palindrome (4835252525384).

The spelling of 1421021324143 in words is "one trillion, four hundred twenty-one billion, twenty-one million, three hundred twenty-four thousand, one hundred forty-three".