1106660 has 12 divisors (see below), whose sum is σ = 2324028. Its totient is φ = 442656.

The previous prime is 1106653. The next prime is 1106671. The reversal of 1106660 is 666011.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 817216 = 538^2 + 904^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 55333 = 1106660 / (1 + 1 + 0 + 6 + 6 + 6 + 0).

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, 27647 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (193669).

2^1106660 is an apocalyptic number.

1106660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1106660 is an abundant number, since it is smaller than the sum of its proper divisors (1217368).

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

1106660 is a wasteful number, since it uses less digits than its factorization.

1106660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55342 (or 55340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1106660 is about 1051.9790872446. The cubic root of 1106660 is about 103.4359253966.

The spelling of 1106660 in words is "one million, one hundred six thousand, six hundred sixty".