1243104144 has 40 divisors (see below), whose sum is σ = 3214660320. Its totient is φ = 413941248.

The previous prime is 1243104119. The next prime is 1243104167. The reversal of 1243104144 is 4414013421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35599 + ... + 61265.

It is an arithmetic number, because the mean of its divisors is an integer number (80366508).

Almost surely, 2^1243104144 is an apocalyptic number.

It is an amenable number.

1243104144 is an abundant number, since it is smaller than the sum of its proper divisors (1971556176).

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

1243104144 is a wasteful number, since it uses less digits than its factorization.

1243104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26687 (or 26681 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1243104144 is about 35257.6820565391. The cubic root of 1243104144 is about 1075.2328016451.

Adding to 1243104144 its reverse (4414013421), we get a palindrome (5657117565).

The spelling of 1243104144 in words is "one billion, two hundred forty-three million, one hundred four thousand, one hundred forty-four".