1212004 has 12 divisors (see below), whose sum is σ = 2161404. Its totient is φ = 594464.

The previous prime is 1211999. The next prime is 1212011. The reversal of 1212004 is 4002121.

It can be written as a sum of positive squares in 2 ways, for example, as 792100 + 419904 = 890^2 + 648^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (180117).

2^1212004 is an apocalyptic number.

It is an amenable number.

1212004 is a deficient number, since it is larger than the sum of its proper divisors (949400).

1212004 is a wasteful number, since it uses less digits than its factorization.

1212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1212004 is about 1100.9105322414. The cubic root of 1212004 is about 106.6190195182.

Adding to 1212004 its reverse (4002121), we get a palindrome (5214125).

The spelling of 1212004 in words is "one million, two hundred twelve thousand, four".