1106865 has 24 divisors (see below), whose sum is σ = 1991808. Its totient is φ = 589680.

The previous prime is 1106851. The next prime is 1106881. The reversal of 1106865 is 5686011.

It is not a de Polignac number, because 1106865 - 2⁶ = 1106801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2^1106865 is an apocalyptic number.

1106865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1106865 is a deficient number, since it is larger than the sum of its proper divisors (884943).

1106865 is an frugal number, since it uses more digits than its factorization.

1106865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1106865 is about 1052.0765181297. The cubic root of 1106865 is about 103.4423118976.

The spelling of 1106865 in words is "one million, one hundred six thousand, eight hundred sixty-five".