1009312 has 12 divisors (see below), whose sum is σ = 1987146. Its totient is φ = 504640.

The previous prime is 1009303. The next prime is 1009319. The reversal of 1009312 is 2139001.

1009312 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., 1008016 + 1296 = 1004^2 + 36^2 .

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1009319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15739 + ... + 15802.

2^1009312 is an apocalyptic number.

It is an amenable number.

1009312 is a deficient number, since it is larger than the sum of its proper divisors (977834).

1009312 is an equidigital number, since it uses as much as digits as its factorization.

1009312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31551 (or 31543 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1009312 is about 1004.6452110073. The cubic root of 1009312 is about 100.3094414721.

The spelling of 1009312 in words is "one million, nine thousand, three hundred twelve".