1243204424134 has 8 divisors (see below), whose sum is σ = 1896413528520. Its totient is φ = 611066581296.

The previous prime is 1243204424129. The next prime is 1243204424179. The reversal of 1243204424134 is 4314244023421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1243204424134.

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, 5267815239 + ... + 5267815474.

It is an arithmetic number, because the mean of its divisors is an integer number (237051691065).

Almost surely, 2^{1243204424134} is an apocalyptic number.

1243204424134 is a deficient number, since it is larger than the sum of its proper divisors (653209104386).

1243204424134 is a wasteful number, since it uses less digits than its factorization.

1243204424134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535630774.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1243204424134 its reverse (4314244023421), we get a palindrome (5557448447555).

It can be divided in two parts, 124320 and 4424134, that added together give a palindrome (4548454).

The spelling of 1243204424134 in words is "one trillion, two hundred forty-three billion, two hundred four million, four hundred twenty-four thousand, one hundred thirty-four".