1255604 has 12 divisors (see below), whose sum is σ = 2511264. Its totient is φ = 538104.

The previous prime is 1255601. The next prime is 1255609. The reversal of 1255604 is 4065521.

1255604 is nontrivially palindromic in base 8.

1255604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255601) 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, 22394 + ... + 22449.

It is an arithmetic number, because the mean of its divisors is an integer number (209272).

2^1255604 is an apocalyptic number.

1255604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1255604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1255604 is a wasteful number, since it uses less digits than its factorization.

1255604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44854 (or 44852 counting only the distinct ones).

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

The square root of 1255604 is about 1120.5373710859. The cubic root of 1255604 is about 107.8824738915.

The spelling of 1255604 in words is "one million, two hundred fifty-five thousand, six hundred four".