1161080 has 16 divisors (see below), whose sum is σ = 2612520. Its totient is φ = 464416.

The previous prime is 1161077. The next prime is 1161091. The reversal of 1161080 is 801611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14474 + ... + 14553.

2^1161080 is an apocalyptic number.

1161080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161080 is an abundant number, since it is smaller than the sum of its proper divisors (1451440).

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

1161080 is a wasteful number, since it uses less digits than its factorization.

1161080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29038 (or 29034 counting only the distinct ones).

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

The square root of 1161080 is about 1077.5342221944. The cubic root of 1161080 is about 105.1043558117.

Adding to 1161080 its reverse (801611), we get a palindrome (1962691).

The spelling of 1161080 in words is "one million, one hundred sixty-one thousand, eighty".