1005404212 has 12 divisors (see below), whose sum is σ = 1770252736. Its totient is φ = 499617720.

The previous prime is 1005404167. The next prime is 1005404227. The reversal of 1005404212 is 2124045001.

1005404212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1005404212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770364 + ... + 771667.

Almost surely, 2^1005404212 is an apocalyptic number.

It is an amenable number.

1005404212 is a deficient number, since it is larger than the sum of its proper divisors (764848524).

1005404212 is a wasteful number, since it uses less digits than its factorization.

1005404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542198 (or 1542196 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1005404212 is about 31708.1095620663. The cubic root of 1005404212 is about 1001.7981686514.

Adding to 1005404212 its reverse (2124045001), we get a palindrome (3129449213).

The spelling of 1005404212 in words is "one billion, five million, four hundred four thousand, two hundred twelve".