1204404215 has 16 divisors (see below), whose sum is σ = 1655344128. Its totient is φ = 824082336.

The previous prime is 1204404209. The next prime is 1204404221. The reversal of 1204404215 is 5124044021.

It is an interprime number because it is at equal distance from previous prime (1204404209) and next prime (1204404221).

It is not a de Polignac number, because 1204404215 - 2¹⁰ = 1204403191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20957 + ... + 53366.

It is an arithmetic number, because the mean of its divisors is an integer number (103459008).

Almost surely, 2^1204404215 is an apocalyptic number.

1204404215 is a deficient number, since it is larger than the sum of its proper divisors (450939913).

1204404215 is an equidigital number, since it uses as much as digits as its factorization.

1204404215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74798.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1204404215 is about 34704.5272983223. The cubic root of 1204404215 is about 1063.9570310606.

Adding to 1204404215 its reverse (5124044021), we get a palindrome (6328448236).

The spelling of 1204404215 in words is "one billion, two hundred four million, four hundred four thousand, two hundred fifteen".