1303134145121 has 12 divisors (see below), whose sum is σ = 1400976526992. Its totient is φ = 1211702315328.

The previous prime is 1303134145091. The next prime is 1303134145139. The reversal of 1303134145121 is 1215414313031.

It is not a de Polignac number, because 1303134145121 - 2¹⁰ = 1303134144097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303134145021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27139355 + ... + 27187328.

It is an arithmetic number, because the mean of its divisors is an integer number (116748043916).

Almost surely, 2^{1303134145121} is an apocalyptic number.

It is an amenable number.

1303134145121 is a deficient number, since it is larger than the sum of its proper divisors (97842381871).

1303134145121 is an equidigital number, since it uses as much as digits as its factorization.

1303134145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54326800 (or 54326783 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1303134145121 its reverse (1215414313031), we get a palindrome (2518548458152).

The spelling of 1303134145121 in words is "one trillion, three hundred three billion, one hundred thirty-four million, one hundred forty-five thousand, one hundred twenty-one".