1001102 has 8 divisors (see below), whose sum is σ = 1513512.
Its totient is φ = 496600.
The previous prime is 1001093. The next prime is 1001107. The reversal of 1001102 is 2011001.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001107) 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 3 ways as a sum of consecutive naturals, for example, 1649 + ... + 2172.
It is an arithmetic number, because the mean of its divisors is an integer number (189189).
21001102 is an apocalyptic number.
1001102 is a deficient number, since it is larger than the sum of its proper divisors (512410).
1001102 is a wasteful number, since it uses less digits than its factorization.
1001102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3954.
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 1001102 is about 1000.5508482831.
The cubic root of 1001102 is about 100.0367198482.
Adding to 1001102 its reverse (2011001), we get a palindrome (3012103).
Multiplying 1001102 by its reverse (2011001), we get a palindrome (2013217123102).
The spelling of 1001102 in words is "one million, one thousand, one hundred two".