1001012 has 6 divisors (see below), whose sum is σ = 1751778.
Its totient is φ = 500504.
The previous prime is 1001003. The next prime is 1001017. The reversal of 1001012 is 2101001.
Adding to 1001012 its reverse (2101001), we get a palindrome (3102013).
Multipling 1001012 by its reverse (2101001), we get a palindrome (2103127213012).
It is a happy number.
1001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 583696 + 417316 = 764^2 + 646^2
It is a junction number, because it is equal to n+sod(n) for n = 1000987 and 1001005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125123 + ... + 125130.
It is an arithmetic number, because the mean of its divisors is an integer number (291963).
21001012 is an apocalyptic number.
It is an amenable number.
1001012 is a deficient number, since it is larger than the sum of its proper divisors (750766).
1001012 is a wasteful number, since it uses less digits than its factorization.
1001012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250257 (or 250255 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 1001012 is about 1000.5058720467.
The cubic root of 1001012 is about 100.0337219603.
The spelling of 1001012 in words is "one million, one thousand, twelve".