1003321042 has 16 divisors (see below), whose sum is σ = 1576272960. Its totient is φ = 478059472.

The previous prime is 1003321031. The next prime is 1003321051. The reversal of 1003321042 is 2401233001.

It is a happy number.

It is a super-2 number, since 2×1003321042² = 2013306226639931528, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28168 + ... + 52915.

It is an arithmetic number, because the mean of its divisors is an integer number (98517060).

Almost surely, 2^1003321042 is an apocalyptic number.

1003321042 is a deficient number, since it is larger than the sum of its proper divisors (572951918).

1003321042 is a wasteful number, since it uses less digits than its factorization.

1003321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81377.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1003321042 is about 31675.2433613382. The cubic root of 1003321042 is about 1001.1057907760.

Adding to 1003321042 its reverse (2401233001), we get a palindrome (3404554043).

The spelling of 1003321042 in words is "one billion, three million, three hundred twenty-one thousand, forty-two".