1100012 has 6 divisors (see below), whose sum is σ = 1925028.
Its totient is φ = 550004.
The previous prime is 1100009. The next prime is 1100023. The reversal of 1100012 is 2100011.
Adding to 1100012 its reverse (2100011), we get a palindrome (3200023).
Subtracting 1100012 from its reverse (2100011), we obtain a palindrome (999999).
Multipling 1100012 by its reverse (2100011), we get a palindrome (2310037300132).
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1099969 and 1100005.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137498 + ... + 137505.
It is an arithmetic number, because the mean of its divisors is an integer number (320838).
21100012 is an apocalyptic number.
It is an amenable number.
1100012 is a deficient number, since it is larger than the sum of its proper divisors (825016).
1100012 is a wasteful number, since it uses less digits than its factorization.
1100012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275007 (or 275005 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 1100012 is about 1048.8145689301.
The cubic root of 1100012 is about 103.2283869189.
The spelling of 1100012 in words is "one million, one hundred thousand, twelve".