1042003213 has 16 divisors (see below), whose sum is σ = 1085261760. Its totient is φ = 999648000.

The previous prime is 1042003181. The next prime is 1042003223. The reversal of 1042003213 is 3123002401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1042003213 - 2⁵ = 1042003181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042003223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867013 + ... + 868213.

It is an arithmetic number, because the mean of its divisors is an integer number (67828860).

Almost surely, 2^1042003213 is an apocalyptic number.

It is an amenable number.

1042003213 is a deficient number, since it is larger than the sum of its proper divisors (43258547).

1042003213 is a wasteful number, since it uses less digits than its factorization.

1042003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

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

The square root of 1042003213 is about 32280.0745507194. The cubic root of 1042003213 is about 1013.8094911222.

Adding to 1042003213 its reverse (3123002401), we get a palindrome (4165005614).

The spelling of 1042003213 in words is "one billion, forty-two million, three thousand, two hundred thirteen".