1120432403021 has 4 divisors (see below), whose sum is σ = 1186340191452. Its totient is φ = 1054524614592.

The previous prime is 1120432403003. The next prime is 1120432403047. The reversal of 1120432403021 is 1203042340211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 911807272996 + 208625130025 = 954886^2 + 456755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120432403021 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 (1120432403071) 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, 32953894190 + ... + 32953894223.

It is an arithmetic number, because the mean of its divisors is an integer number (296585047863).

Almost surely, 2^{1120432403021} is an apocalyptic number.

It is an amenable number.

1120432403021 is a deficient number, since it is larger than the sum of its proper divisors (65907788431).

1120432403021 is an equidigital number, since it uses as much as digits as its factorization.

1120432403021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65907788430.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1120432403021 its reverse (1203042340211), we get a palindrome (2323474743232).

The spelling of 1120432403021 in words is "one trillion, one hundred twenty billion, four hundred thirty-two million, four hundred three thousand, twenty-one".