1244104042 has 4 divisors (see below), whose sum is σ = 1866156066. Its totient is φ = 622052020.

The previous prime is 1244104027. The next prime is 1244104067. The reversal of 1244104042 is 2404014421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 704424681 + 539679361 = 26541^2 + 23231^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311026009 + ... + 311026012.

Almost surely, 2^1244104042 is an apocalyptic number.

1244104042 is a deficient number, since it is larger than the sum of its proper divisors (622052024).

1244104042 is an equidigital number, since it uses as much as digits as its factorization.

1244104042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622052023.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1244104042 is about 35271.8590664002. The cubic root of 1244104042 is about 1075.5210142890.

Adding to 1244104042 its reverse (2404014421), we get a palindrome (3648118463).

The spelling of 1244104042 in words is "one billion, two hundred forty-four million, one hundred four thousand, forty-two".