1004312 has 8 divisors (see below), whose sum is σ = 1883100. Its totient is φ = 502152.

The previous prime is 1004303. The next prime is 1004317. The reversal of 1004312 is 2134001.

It is a happy number.

1004312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1004293 and 1004302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62762 + ... + 62777.

2^1004312 is an apocalyptic number.

It is an amenable number.

1004312 is a deficient number, since it is larger than the sum of its proper divisors (878788).

1004312 is a wasteful number, since it uses less digits than its factorization.

1004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125545 (or 125541 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1004312 is about 1002.1536808294. The cubic root of 1004312 is about 100.1435272341.

Adding to 1004312 its reverse (2134001), we get a palindrome (3138313).

The spelling of 1004312 in words is "one million, four thousand, three hundred twelve".