1244940112 has 20 divisors (see below), whose sum is σ = 2597615860. Its totient is φ = 574587648.

The previous prime is 1244940041. The next prime is 1244940127. The reversal of 1244940112 is 2110494421.

It can be written as a sum of positive squares in 2 ways, for example, as 117592336 + 1127347776 = 10844^2 + 33576^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992437 + ... + 2992852.

It is an arithmetic number, because the mean of its divisors is an integer number (129880793).

Almost surely, 2^1244940112 is an apocalyptic number.

It is an amenable number.

1244940112 is an abundant number, since it is smaller than the sum of its proper divisors (1352675748).

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

1244940112 is a wasteful number, since it uses less digits than its factorization.

1244940112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985310 (or 5985304 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1244940112 is about 35283.7088753436. The cubic root of 1244940112 is about 1075.7618862923.

The spelling of 1244940112 in words is "one billion, two hundred forty-four million, nine hundred forty thousand, one hundred twelve".