1243144244 has 24 divisors (see below), whose sum is σ = 2315073600. Its totient is φ = 582062976.

The previous prime is 1243144207. The next prime is 1243144271. The reversal of 1243144244 is 4424413421.

It is a super-2 number, since 2×1243144244² = 3090815222780663072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32402 + ... + 59465.

It is an arithmetic number, because the mean of its divisors is an integer number (96461400).

Almost surely, 2^1243144244 is an apocalyptic number.

It is an amenable number.

1243144244 is a deficient number, since it is larger than the sum of its proper divisors (1071929356).

1243144244 is a wasteful number, since it uses less digits than its factorization.

1243144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92087 (or 92085 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1243144244 is about 35258.2507223487. The cubic root of 1243144244 is about 1075.2443631253.

Adding to 1243144244 its reverse (4424413421), we get a palindrome (5667557665).

The spelling of 1243144244 in words is "one billion, two hundred forty-three million, one hundred forty-four thousand, two hundred forty-four".