1811114 has 8 divisors (see below), whose sum is σ = 2724708. Its totient is φ = 902880.
The previous prime is 1811107. The next prime is 1811119. The reversal of 1811114 is 4111181.
It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 34225 = 1333^2 + 185^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1811092 and 1811101.
It is not an unprimeable number, because it can be changed into a prime (1811119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 1934.
21811114 is an apocalyptic number.
1811114 is a deficient number, since it is larger than the sum of its proper divisors (913594).
1811114 is a wasteful number, since it uses less digits than its factorization.
1811114 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2680.
The product of its digits is 32, while the sum is 17.
The square root of 1811114 is about 1345.7763558630. The cubic root of 1811114 is about 121.8938878463.
Adding to 1811114 its reverse (4111181), we get a palindrome (5922295).
The spelling of 1811114 in words is "one million, eight hundred eleven thousand, one hundred fourteen".
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