1244044287 has 12 divisors (see below), whose sum is σ = 1797527160. Its totient is φ = 829097808.

The previous prime is 1244044273. The next prime is 1244044297. The reversal of 1244044287 is 7824404421.

It is not a de Polignac number, because 1244044287 - 2¹⁸ = 1243782143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244044297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10108 + ... + 50894.

It is an arithmetic number, because the mean of its divisors is an integer number (149793930).

Almost surely, 2^1244044287 is an apocalyptic number.

1244044287 is a deficient number, since it is larger than the sum of its proper divisors (553482873).

1244044287 is a wasteful number, since it uses less digits than its factorization.

1244044287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44182 (or 44179 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 1244044287 is about 35271.0119928533. The cubic root of 1244044287 is about 1075.5037947251.

The spelling of 1244044287 in words is "one billion, two hundred forty-four million, forty-four thousand, two hundred eighty-seven".