1121324012003 has 4 divisors (see below), whose sum is σ = 1207579705248. Its totient is φ = 1035068318760.

The previous prime is 1121324011987. The next prime is 1121324012059. The reversal of 1121324012003 is 3002104231211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121324012003 - 2⁴ = 1121324011987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121324012603) 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 3 ways as a sum of consecutive naturals, for example, 43127846603 + ... + 43127846628.

It is an arithmetic number, because the mean of its divisors is an integer number (301894926312).

Almost surely, 2^{1121324012003} is an apocalyptic number.

1121324012003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121324012003 is a deficient number, since it is larger than the sum of its proper divisors (86255693245).

1121324012003 is an equidigital number, since it uses as much as digits as its factorization.

1121324012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86255693244.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121324012003 its reverse (3002104231211), we get a palindrome (4123428243214).

The spelling of 1121324012003 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-four million, twelve thousand, three".