1003405066 has 8 divisors (see below), whose sum is σ = 1508601024. Its totient is φ = 500538060.

The previous prime is 1003405049. The next prime is 1003405069. The reversal of 1003405066 is 6605043001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1003405066.

It is not an unprimeable number, because it can be changed into a prime (1003405069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 581160 + ... + 582883.

It is an arithmetic number, because the mean of its divisors is an integer number (188575128).

Almost surely, 2^1003405066 is an apocalyptic number.

1003405066 is a deficient number, since it is larger than the sum of its proper divisors (505195958).

1003405066 is a wasteful number, since it uses less digits than its factorization.

1003405066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164476.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1003405066 is about 31676.5696690788. The cubic root of 1003405066 is about 1001.1337361566.

Adding to 1003405066 its reverse (6605043001), we get a palindrome (7608448067).

The spelling of 1003405066 in words is "one billion, three million, four hundred five thousand, sixty-six".