1244340063 has 24 divisors (see below), whose sum is σ = 1907313408. Its totient is φ = 810261144.

The previous prime is 1244339983. The next prime is 1244340073. The reversal of 1244340063 is 3600434421.

It is not a de Polignac number, because 1244340063 - 2¹⁴ = 1244323679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244340073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49095 + ... + 69992.

It is an arithmetic number, because the mean of its divisors is an integer number (79471392).

Almost surely, 2^1244340063 is an apocalyptic number.

1244340063 is a deficient number, since it is larger than the sum of its proper divisors (662973345).

1244340063 is an equidigital number, since it uses as much as digits as its factorization.

1244340063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119145 (or 119133 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1244340063 is about 35275.2046485913. The cubic root of 1244340063 is about 1075.5890229351.

Adding to 1244340063 its reverse (3600434421), we get a palindrome (4844774484).

The spelling of 1244340063 in words is "one billion, two hundred forty-four million, three hundred forty thousand, sixty-three".