1204556 has 12 divisors (see below), whose sum is σ = 2199792. Its totient is φ = 576048.

The previous prime is 1204529. The next prime is 1204561. The reversal of 1204556 is 6554021.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6455 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (183316).

2^1204556 is an apocalyptic number.

It is an amenable number.

1204556 is a deficient number, since it is larger than the sum of its proper divisors (995236).

1204556 is a wasteful number, since it uses less digits than its factorization.

1204556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13120 (or 13118 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1204556 is about 1097.5226649140. The cubic root of 1204556 is about 106.4001724233.

Adding to 1204556 its reverse (6554021), we get a palindrome (7758577).

The spelling of 1204556 in words is "one million, two hundred four thousand, five hundred fifty-six".