1103256 has 96 divisors (see below), whose sum is σ = 3744000. Its totient is φ = 285120.

The previous prime is 1103237. The next prime is 1103257. The reversal of 1103256 is 6523011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (39000).

2^1103256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872000).

1103256 is an abundant number, since it is smaller than the sum of its proper divisors (2640744).

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

1103256 is a wasteful number, since it uses less digits than its factorization.

1103256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1103256 is about 1050.3599383069. The cubic root of 1103256 is about 103.3297628550.

Adding to 1103256 its reverse (6523011), we get a palindrome (7626267).

The spelling of 1103256 in words is "one million, one hundred three thousand, two hundred fifty-six".