1003043412 has 120 divisors (see below), whose sum is σ = 3039442560. Its totient is φ = 282502080.

The previous prime is 1003043411. The next prime is 1003043417. The reversal of 1003043412 is 2143403001.

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 (1003043411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157914 + ... + 164142.

It is an arithmetic number, because the mean of its divisors is an integer number (25328688).

Almost surely, 2^1003043412 is an apocalyptic number.

1003043412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003043412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519721280).

1003043412 is an abundant number, since it is smaller than the sum of its proper divisors (2036399148).

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

1003043412 is a wasteful number, since it uses less digits than its factorization.

1003043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323 (or 6312 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1003043412 is about 31670.8606135040. The cubic root of 1003043412 is about 1001.0134432525.

Adding to 1003043412 its reverse (2143403001), we get a palindrome (3146446413).

The spelling of 1003043412 in words is "one billion, three million, forty-three thousand, four hundred twelve".