1003121021032 has 16 divisors (see below), whose sum is σ = 2025532831140. Its totient is φ = 462978932736.

The previous prime is 1003121021029. The next prime is 1003121021033. The reversal of 1003121021032 is 2301201213001.

It can be written as a sum of positive squares in 2 ways, for example, as 991510096516 + 11610924516 = 995746^2 + 107754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1003121020997 and 1003121021015.

It is not an unprimeable number, because it can be changed into a prime (1003121021033) 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, 4822697113 + ... + 4822697320.

Almost surely, 2^{1003121021032} is an apocalyptic number.

It is an amenable number.

1003121021032 is an abundant number, since it is smaller than the sum of its proper divisors (1022411810108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003121021032 is a wasteful number, since it uses less digits than its factorization.

1003121021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645394452 (or 9645394448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1003121021032 its reverse (2301201213001), we get a palindrome (3304322234033).

The spelling of 1003121021032 in words is "one trillion, three billion, one hundred twenty-one million, twenty-one thousand, thirty-two".