1266241244 has 24 divisors (see below), whose sum is σ = 2372092800. Its totient is φ = 589630320.

The previous prime is 1266241237. The next prime is 1266241247. The reversal of 1266241244 is 4421426621.

It is a self number, because there is not a number n which added to its sum of digits gives 1266241244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266241247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136712 + ... + 145679.

It is an arithmetic number, because the mean of its divisors is an integer number (98837200).

Almost surely, 2^1266241244 is an apocalyptic number.

It is an amenable number.

1266241244 is a deficient number, since it is larger than the sum of its proper divisors (1105851556).

1266241244 is a wasteful number, since it uses less digits than its factorization.

1266241244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282473 (or 282471 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 1266241244 is about 35584.2836656859. The cubic root of 1266241244 is about 1081.8627102603.

Adding to 1266241244 its reverse (4421426621), we get a palindrome (5687667865).

The spelling of 1266241244 in words is "one billion, two hundred sixty-six million, two hundred forty-one thousand, two hundred forty-four".