1243110544134 has 32 divisors (see below), whose sum is σ = 2545068556800. Its totient is φ = 404570060832.

The previous prime is 1243110544063. The next prime is 1243110544139. The reversal of 1243110544134 is 4314450113421.

It is a junction number, because it is equal to n+sod(n) for n = 1243110544095 and 1243110544104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243110544139) 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, 333534 + ... + 1611665.

It is an arithmetic number, because the mean of its divisors is an integer number (79533392400).

Almost surely, 2^{1243110544134} is an apocalyptic number.

1243110544134 is an abundant number, since it is smaller than the sum of its proper divisors (1301958012666).

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

1243110544134 is a wasteful number, since it uses less digits than its factorization.

1243110544134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947724.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1243110544134 its reverse (4314450113421), we get a palindrome (5557560657555).

The spelling of 1243110544134 in words is "one trillion, two hundred forty-three billion, one hundred ten million, five hundred forty-four thousand, one hundred thirty-four".