1102000 has 80 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 403200.

The previous prime is 1101967. The next prime is 1102001. The reversal of 1102000 is 2011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is not an unprimeable number, because it can be changed into a prime (1102001) 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 15 ways as a sum of consecutive naturals, for example, 37986 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (36270).

2^1102000 is an apocalyptic number.

1102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450800).

1102000 is an abundant number, since it is smaller than the sum of its proper divisors (1799600).

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

1102000 is a wasteful number, since it uses less digits than its factorization.

1102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1102000 is about 1049.7618777609. The cubic root of 1102000 is about 103.2905360985.

Adding to 1102000 its reverse (2011), we get a palindrome (1104011).

The spelling of 1102000 in words is "one million, one hundred two thousand".