1801160 has 32 divisors (see below), whose sum is σ = 4165560. Its totient is φ = 700416.

The previous prime is 1801117. The next prime is 1801187. The reversal of 1801160 is 611081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1623076 + 178084 = 1274^2 + 422^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 2088.

2^1801160 is an apocalyptic number.

1801160 is a gapful number since it is divisible by the number (10) 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 1801160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082780).

1801160 is an abundant number, since it is smaller than the sum of its proper divisors (2364400).

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

1801160 is a wasteful number, since it uses less digits than its factorization.

1801160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1801160 is about 1342.0730233486. The cubic root of 1801160 is about 121.6701652421.

The spelling of 1801160 in words is "one million, eight hundred one thousand, one hundred sixty".