1243040301033 has 16 divisors (see below), whose sum is σ = 1685292568896. Its totient is φ = 814752642240.

The previous prime is 1243040301001. The next prime is 1243040301067. The reversal of 1243040301033 is 3301030403421.

It is not a de Polignac number, because 1243040301033 - 2⁵ = 1243040301001 is a prime.

It is a super-2 number, since 2×1243040301033² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1243040300994 and 1243040301012.

It is not an unprimeable number, because it can be changed into a prime (1243040301133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061535 + ... + 1900772.

It is an arithmetic number, because the mean of its divisors is an integer number (105330785556).

Almost surely, 2^{1243040301033} is an apocalyptic number.

It is an amenable number.

1243040301033 is a deficient number, since it is larger than the sum of its proper divisors (442252267863).

1243040301033 is a wasteful number, since it uses less digits than its factorization.

1243040301033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964664.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1243040301033 its reverse (3301030403421), we get a palindrome (4544070704454).

The spelling of 1243040301033 in words is "one trillion, two hundred forty-three billion, forty million, three hundred one thousand, thirty-three".