1101200 has 30 divisors (see below), whose sum is σ = 2646594. Its totient is φ = 440320.

The previous prime is 1101193. The next prime is 1101211. The reversal of 1101200 is 21011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 262144 + 839056 = 512^2 + 916^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 977 + ... + 1776.

2^1101200 is an apocalyptic number.

1101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101200 is an abundant number, since it is smaller than the sum of its proper divisors (1545394).

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

1101200 is a wasteful number, since it uses less digits than its factorization.

1101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1101200 is about 1049.3807697876. The cubic root of 1101200 is about 103.2655353627.

Adding to 1101200 its reverse (21011), we get a palindrome (1122211).

The spelling of 1101200 in words is "one million, one hundred one thousand, two hundred".