1244313542 has 16 divisors (see below), whose sum is σ = 1920166560. Its totient is φ = 604486272.

The previous prime is 1244313541. The next prime is 1244313601. The reversal of 1244313542 is 2453134421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244313541) 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, 46067 + ... + 67902.

It is an arithmetic number, because the mean of its divisors is an integer number (120010410).

Almost surely, 2^1244313542 is an apocalyptic number.

1244313542 is a deficient number, since it is larger than the sum of its proper divisors (675853018).

1244313542 is a wasteful number, since it uses less digits than its factorization.

1244313542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114127.

The product of its digits is 11520, while the sum is 29.

The square root of 1244313542 is about 35274.8287309804. The cubic root of 1244313542 is about 1075.5813814284.

Adding to 1244313542 its reverse (2453134421), we get a palindrome (3697447963).

The spelling of 1244313542 in words is "one billion, two hundred forty-four million, three hundred thirteen thousand, five hundred forty-two".