1244241047 has 16 divisors (see below), whose sum is σ = 1442264832. Its totient is φ = 1051384320.

The previous prime is 1244240903. The next prime is 1244241059. The reversal of 1244241047 is 7401424421.

It is not a de Polignac number, because 1244241047 - 2⁸ = 1244240791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244249047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154103 + ... + 161975.

It is an arithmetic number, because the mean of its divisors is an integer number (90141552).

Almost surely, 2^1244241047 is an apocalyptic number.

1244241047 is a deficient number, since it is larger than the sum of its proper divisors (198023785).

1244241047 is a wasteful number, since it uses less digits than its factorization.

1244241047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 1244241047 is about 35273.8011419240. The cubic root of 1244241047 is about 1075.5604928597.

Adding to 1244241047 its reverse (7401424421), we get a palindrome (8645665468).

The spelling of 1244241047 in words is "one billion, two hundred forty-four million, two hundred forty-one thousand, forty-seven".