1120421302443 has 12 divisors (see below), whose sum is σ = 1618444079928. Its totient is φ = 746920879200.

The previous prime is 1120421302421. The next prime is 1120421302457. The reversal of 1120421302443 is 3442031240211.

1120421302443 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 4 + 213 + 0 + 2 + 443 = 666.

It is not a de Polignac number, because 1120421302443 - 2⁵ = 1120421302411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120421302543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953405 + ... + 2461022.

It is an arithmetic number, because the mean of its divisors is an integer number (134870339994).

Almost surely, 2^{1120421302443} is an apocalyptic number.

1120421302443 is a deficient number, since it is larger than the sum of its proper divisors (498022777485).

1120421302443 is a wasteful number, since it uses less digits than its factorization.

1120421302443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442634 (or 4442631 counting only the distinct ones).

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

Adding to 1120421302443 its reverse (3442031240211), we get a palindrome (4562452542654).

The spelling of 1120421302443 in words is "one trillion, one hundred twenty billion, four hundred twenty-one million, three hundred two thousand, four hundred forty-three".