1243841244 has 24 divisors (see below), whose sum is σ = 3073020048. Its totient is φ = 390224640.

The previous prime is 1243841239. The next prime is 1243841267. The reversal of 1243841244 is 4421483421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048427 + ... + 3048834.

It is an arithmetic number, because the mean of its divisors is an integer number (128042502).

Almost surely, 2^1243841244 is an apocalyptic number.

It is an amenable number.

1243841244 is an abundant number, since it is smaller than the sum of its proper divisors (1829178804).

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

1243841244 is a wasteful number, since it uses less digits than its factorization.

1243841244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097285 (or 6097283 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

The square root of 1243841244 is about 35268.1335485733. The cubic root of 1243841244 is about 1075.4452798205.

The spelling of 1243841244 in words is "one billion, two hundred forty-three million, eight hundred forty-one thousand, two hundred forty-four".