1204225 has 24 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 840000.

The previous prime is 1204219. The next prime is 1204243. The reversal of 1204225 is 5224021.

1204225 = T₁₉₄ + T₁₉₅ + ... + T₂₄₃.

It is not a de Polignac number, because 1204225 - 2⁷ = 1204097 is a prime.

1204225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1204199 and 1204208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7900 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (70680).

It is a Proth number, since it is equal to 147 ⋅ 2¹³ + 1 and 147 < 2¹³.

2^1204225 is an apocalyptic number.

It is an amenable number.

1204225 is a deficient number, since it is larger than the sum of its proper divisors (492095).

1204225 is a wasteful number, since it uses less digits than its factorization.

1204225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1204225 is about 1097.3718604010. The cubic root of 1204225 is about 106.3904256276.

Adding to 1204225 its reverse (5224021), we get a palindrome (6428246).

The spelling of 1204225 in words is "one million, two hundred four thousand, two hundred twenty-five".