1042003512 has 48 divisors (see below), whose sum is σ = 3078649080. Its totient is φ = 315758400.

The previous prime is 1042003499. The next prime is 1042003513. The reversal of 1042003512 is 2153002401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042003513) 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 11 ways as a sum of consecutive naturals, for example, 657039 + ... + 658622.

Almost surely, 2^1042003512 is an apocalyptic number.

1042003512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042003512 is an abundant number, since it is smaller than the sum of its proper divisors (2036645568).

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

1042003512 is a wasteful number, since it uses less digits than its factorization.

1042003512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315684 (or 1315677 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1042003512 is about 32280.0791820590. The cubic root of 1042003512 is about 1013.8095880922.

Adding to 1042003512 its reverse (2153002401), we get a palindrome (3195005913).

The spelling of 1042003512 in words is "one billion, forty-two million, three thousand, five hundred twelve".