1102556 has 36 divisors (see below), whose sum is σ = 2398032. Its totient is φ = 434304.

The previous prime is 1102553. The next prime is 1102567. The reversal of 1102556 is 6552011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4616 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (66612).

2^1102556 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 1102556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199016).

1102556 is an abundant number, since it is smaller than the sum of its proper divisors (1295476).

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

1102556 is a wasteful number, since it uses less digits than its factorization.

1102556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1102556 is about 1050.0266663281. The cubic root of 1102556 is about 103.3079044840.

Adding to 1102556 its reverse (6552011), we get a palindrome (7654567).

The spelling of 1102556 in words is "one million, one hundred two thousand, five hundred fifty-six".