1244342112 has 48 divisors (see below), whose sum is σ = 3517662960. Its totient is φ = 382874112.

The previous prime is 1244342089. The next prime is 1244342123. The reversal of 1244342112 is 2112434421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497287 + ... + 499782.

It is an arithmetic number, because the mean of its divisors is an integer number (73284645).

Almost surely, 2^1244342112 is an apocalyptic number.

1244342112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244342112 is an abundant number, since it is smaller than the sum of its proper divisors (2273320848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244342112 is a wasteful number, since it uses less digits than its factorization.

1244342112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997095 (or 997087 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1244342112 is about 35275.2336916426. The cubic root of 1244342112 is about 1075.5896133099.

Adding to 1244342112 its reverse (2112434421), we get a palindrome (3356776533).

The spelling of 1244342112 in words is "one billion, two hundred forty-four million, three hundred forty-two thousand, one hundred twelve".