1244241242 has 4 divisors (see below), whose sum is σ = 1866361866. Its totient is φ = 622120620.

The previous prime is 1244241233. The next prime is 1244241263. The reversal of 1244241242 is 2421424421.

It is a happy number.

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., 796876441 + 447364801 = 28229^2 + 21151^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311060309 + ... + 311060312.

Almost surely, 2^1244241242 is an apocalyptic number.

1244241242 is a deficient number, since it is larger than the sum of its proper divisors (622120624).

1244241242 is an equidigital number, since it uses as much as digits as its factorization.

1244241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622120623.

The product of its digits is 4096, while the sum is 26.

The square root of 1244241242 is about 35273.8039060150. The cubic root of 1244241242 is about 1075.5605490477.

Adding to 1244241242 its reverse (2421424421), we get a palindrome (3665665663).

The spelling of 1244241242 in words is "one billion, two hundred forty-four million, two hundred forty-one thousand, two hundred forty-two".