1105980 has 24 divisors (see below), whose sum is σ = 3096912. Its totient is φ = 294912.

The previous prime is 1105963. The next prime is 1105997. The reversal of 1105980 is 895011.

It is an interprime number because it is at equal distance from previous prime (1105963) and next prime (1105997).

It is a self number, because there is not a number n which added to its sum of digits gives 1105980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9157 + ... + 9276.

It is an arithmetic number, because the mean of its divisors is an integer number (129038).

2^1105980 is an apocalyptic number.

1105980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105980 is an abundant number, since it is smaller than the sum of its proper divisors (1990932).

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

1105980 is a wasteful number, since it uses less digits than its factorization.

1105980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445 (or 18443 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1105980 is about 1051.6558372395. The cubic root of 1105980 is about 103.4147352567.

The spelling of 1105980 in words is "one million, one hundred five thousand, nine hundred eighty".