1244055612 has 24 divisors (see below), whose sum is σ = 2917842256. Its totient is φ = 412535808.

The previous prime is 1244055611. The next prime is 1244055619. The reversal of 1244055612 is 2165504421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244055612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244055611) by changing a digit.

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, 266263 + ... + 270894.

Almost surely, 2^1244055612 is an apocalyptic number.

1244055612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244055612 is an abundant number, since it is smaller than the sum of its proper divisors (1673786644).

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

1244055612 is a wasteful number, since it uses less digits than its factorization.

1244055612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537357 (or 537355 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1244055612 is about 35271.1725350888. The cubic root of 1244055612 is about 1075.5070582862.

The spelling of 1244055612 in words is "one billion, two hundred forty-four million, fifty-five thousand, six hundred twelve".