1003405412 has 6 divisors (see below), whose sum is σ = 1755959478. Its totient is φ = 501702704.

The previous prime is 1003405393. The next prime is 1003405421. The reversal of 1003405412 is 2145043001.

1003405412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 656179456 + 347225956 = 25616^2 + 18634^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125425673 + ... + 125425680.

It is an arithmetic number, because the mean of its divisors is an integer number (292659913).

Almost surely, 2^1003405412 is an apocalyptic number.

It is an amenable number.

1003405412 is a deficient number, since it is larger than the sum of its proper divisors (752554066).

1003405412 is a wasteful number, since it uses less digits than its factorization.

1003405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250851357 (or 250851355 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1003405412 is about 31676.5751305282. The cubic root of 1003405412 is about 1001.1338512288.

Adding to 1003405412 its reverse (2145043001), we get a palindrome (3148448413).

The spelling of 1003405412 in words is "one billion, three million, four hundred five thousand, four hundred twelve".