1121420424232 has 16 divisors (see below), whose sum is σ = 2114817421140. Its totient is φ = 557469111936.

The previous prime is 1121420424169. The next prime is 1121420424239. The reversal of 1121420424232 is 2324240241211.

It can be written as a sum of positive squares in 2 ways, for example, as 1120307934916 + 1112489316 = 1058446^2 + 33354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1121420424232.

It is not an unprimeable number, because it can be changed into a prime (1121420424239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405136053 + ... + 405138820.

Almost surely, 2^{1121420424232} is an apocalyptic number.

It is an amenable number.

1121420424232 is a deficient number, since it is larger than the sum of its proper divisors (993396996908).

1121420424232 is a wasteful number, since it uses less digits than its factorization.

1121420424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810275052 (or 810275048 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1121420424232 its reverse (2324240241211), we get a palindrome (3445660665443).

The spelling of 1121420424232 in words is "one trillion, one hundred twenty-one billion, four hundred twenty million, four hundred twenty-four thousand, two hundred thirty-two".