1000312 has 16 divisors (see below), whose sum is σ = 1974600. Its totient is φ = 473760.

The previous prime is 1000303. The next prime is 1000313. The reversal of 1000312 is 2130001.

It is a junction number, because it is equal to n+sod(n) for n = 1000295 and 1000304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000313) 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, 3139 + ... + 3442.

2^1000312 is an apocalyptic number.

It is an amenable number.

1000312 is a deficient number, since it is larger than the sum of its proper divisors (974288).

1000312 is a wasteful number, since it uses less digits than its factorization.

1000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1000312 is about 1000.1559878339. The cubic root of 1000312 is about 100.0103989186.

Adding to 1000312 its reverse (2130001), we get a palindrome (3130313).

The spelling of 1000312 in words is "one million, three hundred twelve", and thus it is an aban number.