1243002030045 has 16 divisors (see below), whose sum is σ = 2006403279552. Its totient is φ = 657067738880.

The previous prime is 1243002029903. The next prime is 1243002030047. The reversal of 1243002030045 is 5400302003421.

It is a de Polignac number, because none of the positive numbers 2^k-1243002030045 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1243002029997 and 1243002030024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243002030047) 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, 366665571 + ... + 366668960.

It is an arithmetic number, because the mean of its divisors is an integer number (125400204972).

Almost surely, 2^{1243002030045} is an apocalyptic number.

1243002030045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1243002030045 is a deficient number, since it is larger than the sum of its proper divisors (763401249507).

1243002030045 is a wasteful number, since it uses less digits than its factorization.

1243002030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733334652.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 1243002030045 its reverse (5400302003421), we get a palindrome (6643304033466).

The spelling of 1243002030045 in words is "one trillion, two hundred forty-three billion, two million, thirty thousand, forty-five".