1106881 has 2 divisors, whose sum is σ = 1106882.
Its totient is φ = 1106880.
The previous prime is 1106851. The next prime is 1106891. The reversal of 1106881 is 1886011.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1081600 + 25281 = 1040^2 + 159^2
It is an emirp because it is prime and its reverse (1886011) is a distict prime.
It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1889011 and 1109881.
It is a cyclic number.
It is not a de Polignac number, because 1106881 - 211 = 1104833 is a prime.
It is a super-2 number, since 2×11068812 = 2450371096322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1106801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553440 + 553441.
It is an arithmetic number, because the mean of its divisors is an integer number (553441).
21106881 is an apocalyptic number.
It is an amenable number.
1106881 is a deficient number, since it is larger than the sum of its proper divisors (1).
1106881 is an equidigital number, since it uses as much as digits as its factorization.
1106881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 25.
The square root of 1106881 is about 1052.0841221119.
The cubic root of 1106881 is about 103.4428103230.
The spelling of 1106881 in words is "one million, one hundred six thousand, eight hundred eighty-one".