1100660 has 24 divisors (see below), whose sum is σ = 2522016. Its totient is φ = 400160.

The previous prime is 1100653. The next prime is 1100681. The reversal of 1100660 is 660011.

It is a super-2 number, since 2×1100660² = 2422904871200, which contains 22 as substring.

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, 2282 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (105084).

2^1100660 is an apocalyptic number.

1100660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100660 is an abundant number, since it is smaller than the sum of its proper divisors (1421356).

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

1100660 is a wasteful number, since it uses less digits than its factorization.

1100660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1100660 is about 1049.1234436424. The cubic root of 1100660 is about 103.2486530202.

Adding to 1100660 its reverse (660011), we get a palindrome (1760671).

The spelling of 1100660 in words is "one million, one hundred thousand, six hundred sixty".