1116980 has 12 divisors (see below), whose sum is σ = 2345700. Its totient is φ = 446784.

The previous prime is 1116977. The next prime is 1116989. The reversal of 1116980 is 896111.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 414736 = 838^2 + 644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116989) 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, 27905 + ... + 27944.

It is an arithmetic number, because the mean of its divisors is an integer number (195475).

2^1116980 is an apocalyptic number.

1116980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116980 is an abundant number, since it is smaller than the sum of its proper divisors (1228720).

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

1116980 is a wasteful number, since it uses less digits than its factorization.

1116980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55858 (or 55856 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1116980 is about 1056.8727454145. The cubic root of 1116980 is about 103.7564567521.

The spelling of 1116980 in words is "one million, one hundred sixteen thousand, nine hundred eighty".