1204265228 has 12 divisors (see below), whose sum is σ = 2109476712. Its totient is φ = 601557600.

The previous prime is 1204265221. The next prime is 1204265263. The reversal of 1204265228 is 8225624021.

It is a junction number, because it is equal to n+sod(n) for n = 1204265194 and 1204265203.

It is not an unprimeable number, because it can be changed into a prime (1204265221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139025 + ... + 147432.

It is an arithmetic number, because the mean of its divisors is an integer number (175789726).

Almost surely, 2^1204265228 is an apocalyptic number.

It is an amenable number.

1204265228 is a deficient number, since it is larger than the sum of its proper divisors (905211484).

1204265228 is a wasteful number, since it uses less digits than its factorization.

1204265228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287512 (or 287510 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1204265228 is about 34702.5248072817. The cubic root of 1204265228 is about 1063.9161029727.

Adding to 1204265228 its reverse (8225624021), we get a palindrome (9429889249).

The spelling of 1204265228 in words is "one billion, two hundred four million, two hundred sixty-five thousand, two hundred twenty-eight".