1171080 has 48 divisors (see below), whose sum is σ = 3807180. Its totient is φ = 312192.

The previous prime is 1171073. The next prime is 1171109. The reversal of 1171080 is 801711.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 93636 = 1038^2 + 306^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1267 + ... + 1986.

2^1171080 is an apocalyptic number.

1171080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171080 is an abundant number, since it is smaller than the sum of its proper divisors (2636100).

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

1171080 is a wasteful number, since it uses less digits than its factorization.

1171080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1171080 is about 1082.1644976620. The cubic root of 1171080 is about 105.4052367394.

Adding to 1171080 its reverse (801711), we get a palindrome (1972791).

The spelling of 1171080 in words is "one million, one hundred seventy-one thousand, eighty".