1303121133040 has 20 divisors (see below), whose sum is σ = 3029756634504. Its totient is φ = 521248453184.

The previous prime is 1303121133037. The next prime is 1303121133059. The reversal of 1303121133040 is 403311213031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144507002 + ... + 8144507161.

Almost surely, 2^{1303121133040} is an apocalyptic number.

1303121133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303121133040 is an abundant number, since it is smaller than the sum of its proper divisors (1726635501464).

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

1303121133040 is a wasteful number, since it uses less digits than its factorization.

1303121133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16289014176 (or 16289014170 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1303121133040 its reverse (403311213031), we get a palindrome (1706432346071).

The spelling of 1303121133040 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, forty".