1244213104 has 20 divisors (see below), whose sum is σ = 2412720576. Its totient is φ = 621575552.

The previous prime is 1244213057. The next prime is 1244213111. The reversal of 1244213104 is 4013124421.

It is a happy number.

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, 13504 + ... + 51679.

Almost surely, 2^1244213104 is an apocalyptic number.

It is an amenable number.

1244213104 is a deficient number, since it is larger than the sum of its proper divisors (1168507472).

1244213104 is a wasteful number, since it uses less digits than its factorization.

1244213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66384 (or 66378 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1244213104 is about 35273.4050525321. The cubic root of 1244213104 is about 1075.5524412012.

Adding to 1244213104 its reverse (4013124421), we get a palindrome (5257337525).

The spelling of 1244213104 in words is "one billion, two hundred forty-four million, two hundred thirteen thousand, one hundred four".