1204428 has 24 divisors (see below), whose sum is σ = 2908080. Its totient is φ = 387520.

The previous prime is 1204421. The next prime is 1204447. The reversal of 1204428 is 8244021.

1204428 is nontrivially palindromic in base 5.

1204428 is a modest number, since divided by 4428 gives 12 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1204421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383 + ... + 2078.

It is an arithmetic number, because the mean of its divisors is an integer number (121170).

2^1204428 is an apocalyptic number.

It is an amenable number.

1204428 is an abundant number, since it is smaller than the sum of its proper divisors (1703652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204428 is a wasteful number, since it uses less digits than its factorization.

1204428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1204428 is about 1097.4643502183. The cubic root of 1204428 is about 106.3964034814.

Adding to 1204428 its reverse (8244021), we get a palindrome (9448449).

The spelling of 1204428 in words is "one million, two hundred four thousand, four hundred twenty-eight".