1003112442 has 12 divisors (see below), whose sum is σ = 2173410330. Its totient is φ = 334370808.

The previous prime is 1003112389. The next prime is 1003112443. The reversal of 1003112442 is 2442113001.

It can be written as a sum of positive squares in only one way, i.e., 703787841 + 299324601 = 26529^2 + 17301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 55728469 = 1003112442 / (1 + 0 + 0 + 3 + 1 + 1 + 2 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1003112443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27864217 + ... + 27864252.

Almost surely, 2^1003112442 is an apocalyptic number.

1003112442 is an abundant number, since it is smaller than the sum of its proper divisors (1170297888).

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

1003112442 is a wasteful number, since it uses less digits than its factorization.

1003112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55728477 (or 55728474 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1003112442 is about 31671.9503977889. The cubic root of 1003112442 is about 1001.0364061579.

Adding to 1003112442 its reverse (2442113001), we get a palindrome (3445225443).

The spelling of 1003112442 in words is "one billion, three million, one hundred twelve thousand, four hundred forty-two".