1100088 has 64 divisors (see below), whose sum is σ = 3340800. Its totient is φ = 332640.

The previous prime is 1100063. The next prime is 1100089. The reversal of 1100088 is 8800011.

It is a happy number.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1100088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (52200).

2^1100088 is an apocalyptic number.

1100088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670400).

1100088 is an abundant number, since it is smaller than the sum of its proper divisors (2240712).

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

1100088 is a wasteful number, since it uses less digits than its factorization.

1100088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1100088 is about 1048.8507996851. The cubic root of 1100088 is about 103.2307642192.

1100088 divided by its sum of digits (18) gives a palindrome (61116).

Adding to 1100088 its reverse (8800011), we get a palindrome (9900099).

The spelling of 1100088 in words is "one million, one hundred thousand, eighty-eight".