1102812 has 24 divisors (see below), whose sum is σ = 2662800. Its totient is φ = 354816.

The previous prime is 1102757. The next prime is 1102813. The reversal of 1102812 is 2182011.

It is a junction number, because it is equal to n+sod(n) for n = 1102791 and 1102800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102813) 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 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (110950).

2^1102812 is an apocalyptic number.

1102812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102812 is an abundant number, since it is smaller than the sum of its proper divisors (1559988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102812 is a wasteful number, since it uses less digits than its factorization.

1102812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1102812 is about 1050.1485609189. The cubic root of 1102812 is about 103.3158994753.

Adding to 1102812 its reverse (2182011), we get a palindrome (3284823).

The spelling of 1102812 in words is "one million, one hundred two thousand, eight hundred twelve".