1244313442 has 8 divisors (see below), whose sum is σ = 1866622032. Its totient is φ = 622106100.

The previous prime is 1244313431. The next prime is 1244313449. The reversal of 1244313442 is 2443134421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1244313442.

It is not an unprimeable number, because it can be changed into a prime (1244313449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27217 + ... + 56827.

It is an arithmetic number, because the mean of its divisors is an integer number (233327754).

Almost surely, 2^1244313442 is an apocalyptic number.

1244313442 is a deficient number, since it is larger than the sum of its proper divisors (622308590).

1244313442 is a wasteful number, since it uses less digits than its factorization.

1244313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50624.

The product of its digits is 9216, while the sum is 28.

The square root of 1244313442 is about 35274.8273135390. The cubic root of 1244313442 is about 1075.5813526151.

Adding to 1244313442 its reverse (2443134421), we get a palindrome (3687447863).

The spelling of 1244313442 in words is "one billion, two hundred forty-four million, three hundred thirteen thousand, four hundred forty-two".