1244403042 has 8 divisors (see below), whose sum is σ = 2488806096. Its totient is φ = 414801012.

The previous prime is 1244403011. The next prime is 1244403047. The reversal of 1244403042 is 2403044421.

It is a happy number.

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

1244403042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1244403047) 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, 103700248 + ... + 103700259.

It is an arithmetic number, because the mean of its divisors is an integer number (311100762).

Almost surely, 2^1244403042 is an apocalyptic number.

1244403042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244403042 is a wasteful number, since it uses less digits than its factorization.

1244403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207400512.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1244403042 is about 35276.0973181558. The cubic root of 1244403042 is about 1075.6071686656.

Adding to 1244403042 its reverse (2403044421), we get a palindrome (3647447463).

The spelling of 1244403042 in words is "one billion, two hundred forty-four million, four hundred three thousand, forty-two".