1243052564630 has 16 divisors (see below), whose sum is σ = 2240404246080. Its totient is φ = 496574441472.

The previous prime is 1243052564623. The next prime is 1243052564669. The reversal of 1243052564630 is 364652503421.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80814974 + ... + 80830353.

It is an arithmetic number, because the mean of its divisors is an integer number (140025265380).

Almost surely, 2^{1243052564630} is an apocalyptic number.

1243052564630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243052564630 is a deficient number, since it is larger than the sum of its proper divisors (997351681450).

1243052564630 is a wasteful number, since it uses less digits than its factorization.

1243052564630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161646103.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 1243052564630 in words is "one trillion, two hundred forty-three billion, fifty-two million, five hundred sixty-four thousand, six hundred thirty".