1204445164 has 24 divisors (see below), whose sum is σ = 2331268688. Its totient is φ = 540872640.

The previous prime is 1204445161. The next prime is 1204445219. The reversal of 1204445164 is 4615444021.

It is not an unprimeable number, because it can be changed into a prime (1204445161) 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 7 ways as a sum of consecutive naturals, for example, 311082 + ... + 314929.

Almost surely, 2^1204445164 is an apocalyptic number.

It is an amenable number.

1204445164 is a deficient number, since it is larger than the sum of its proper divisors (1126823524).

1204445164 is a wasteful number, since it uses less digits than its factorization.

1204445164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626065 (or 626063 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1204445164 is about 34705.1172595627. The cubic root of 1204445164 is about 1063.9690888847.

Adding to 1204445164 its reverse (4615444021), we get a palindrome (5819889185).

The spelling of 1204445164 in words is "one billion, two hundred four million, four hundred forty-five thousand, one hundred sixty-four".