1204056 has 48 divisors (see below), whose sum is σ = 3728400. Its totient is φ = 343872.

The previous prime is 1204037. The next prime is 1204097. The reversal of 1204056 is 6504021.

It is a happy number.

It is a super-2 number, since 2×1204056² = 2899501702272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 691 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (77675).

2^1204056 is an apocalyptic number.

It is an amenable number.

1204056 is an abundant number, since it is smaller than the sum of its proper divisors (2524344).

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

1204056 is a wasteful number, since it uses less digits than its factorization.

1204056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1204056 is about 1097.2948555425. The cubic root of 1204056 is about 106.3854484783.

Adding to 1204056 its reverse (6504021), we get a palindrome (7708077).

The spelling of 1204056 in words is "one million, two hundred four thousand, fifty-six".