1303121133125 has 20 divisors (see below), whose sum is σ = 1861005912480. Its totient is φ = 893568774000.

The previous prime is 1303121133109. The next prime is 1303121133131. The reversal of 1303121133125 is 5213311213031.

It is not a de Polignac number, because 1303121133125 - 2⁴ = 1303121133109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303121133094 and 1303121133103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148923755 + ... + 148932504.

It is an arithmetic number, because the mean of its divisors is an integer number (93050295624).

Almost surely, 2^{1303121133125} is an apocalyptic number.

It is an amenable number.

1303121133125 is a deficient number, since it is larger than the sum of its proper divisors (557884779355).

1303121133125 is an frugal number, since it uses more digits than its factorization.

1303121133125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297856286 (or 297856271 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 1303121133125 its reverse (5213311213031), we get a palindrome (6516432346156).

The spelling of 1303121133125 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-five".