1244113983 has 24 divisors (see below), whose sum is σ = 2054707200. Its totient is φ = 710599824.

The previous prime is 1244113973. The next prime is 1244113993. The reversal of 1244113983 is 3893114421.

1244113983 is a `hidden beast` number, since 1 + 2 + 441 + 139 + 83 = 666.

It is a Cunningham number, because it is equal to 35272²-1.

It is an interprime number because it is at equal distance from previous prime (1244113973) and next prime (1244113993).

It is not a de Polignac number, because 1244113983 - 2⁵ = 1244113951 is a prime.

It is a super-2 number, since 2×1244113983² = 3095639205392248578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244113933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244378 + ... + 249416.

It is an arithmetic number, because the mean of its divisors is an integer number (85612800).

Almost surely, 2^1244113983 is an apocalyptic number.

1244113983 is a deficient number, since it is larger than the sum of its proper divisors (810593217).

1244113983 is a wasteful number, since it uses less digits than its factorization.

1244113983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971 (or 8968 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1244113983 is about 35271.9999858244. Note that the first 4 decimals coincide. The cubic root of 1244113983 is about 1075.5238789278.

The spelling of 1244113983 in words is "one billion, two hundred forty-four million, one hundred thirteen thousand, nine hundred eighty-three".