1102180 has 12 divisors (see below), whose sum is σ = 2314620. Its totient is φ = 440864.

The previous prime is 1102169. The next prime is 1102181. The reversal of 1102180 is 812011.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 419904 = 826^2 + 648^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102180.

It is not an unprimeable number, because it can be changed into a prime (1102181) 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, 27535 + ... + 27574.

It is an arithmetic number, because the mean of its divisors is an integer number (192885).

2^1102180 is an apocalyptic number.

1102180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102180 is an abundant number, since it is smaller than the sum of its proper divisors (1212440).

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

1102180 is a wasteful number, since it uses less digits than its factorization.

1102180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55118 (or 55116 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1102180 is about 1049.8476079889. The cubic root of 1102180 is about 103.2961595965.

Adding to 1102180 its reverse (812011), we get a palindrome (1914191).

The spelling of 1102180 in words is "one million, one hundred two thousand, one hundred eighty".