10403143121 has 8 divisors (see below), whose sum is σ = 11891738880. Its totient is φ = 8915155488.

The previous prime is 10403143103. The next prime is 10403143171. The reversal of 10403143121 is 12134130401.

10403143121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10403143121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10403143093 and 10403143102.

It is not an unprimeable number, because it can be changed into a prime (10403143171) 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 7 ways as a sum of consecutive naturals, for example, 114761 + ... + 184326.

It is an arithmetic number, because the mean of its divisors is an integer number (1486467360).

Almost surely, 2^10403143121 is an apocalyptic number.

It is an amenable number.

10403143121 is a deficient number, since it is larger than the sum of its proper divisors (1488595759).

10403143121 is an equidigital number, since it uses as much as digits as its factorization.

10403143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304063.

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

Adding to 10403143121 its reverse (12134130401), we get a palindrome (22537273522).

The spelling of 10403143121 in words is "ten billion, four hundred three million, one hundred forty-three thousand, one hundred twenty-one".