1100312 has 16 divisors (see below), whose sum is σ = 2090400. Its totient is φ = 542880.

The previous prime is 1100311. The next prime is 1100321. The reversal of 1100312 is 2130011.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1100312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (130650).

2^1100312 is an apocalyptic number.

It is an amenable number.

1100312 is a deficient number, since it is larger than the sum of its proper divisors (990088).

1100312 is a wasteful number, since it uses less digits than its factorization.

1100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1100312 is about 1048.9575777885. The cubic root of 1100312 is about 103.2377703623.

Adding to 1100312 its reverse (2130011), we get a palindrome (3230323).

The spelling of 1100312 in words is "one million, one hundred thousand, three hundred twelve".