101002 has 8 divisors (see below), whose sum is σ = 165312. Its totient is φ = 45900.

The previous prime is 100999. The next prime is 101009. The reversal of 101002 is 200101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100982 and 101000.

It is not an unprimeable number, because it can be changed into a prime (101009) 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, 2274 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (20664).

2¹⁰¹⁰⁰² is an apocalyptic number.

101002 is a deficient number, since it is larger than the sum of its proper divisors (64310).

101002 is a wasteful number, since it uses less digits than its factorization.

101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604.

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

The square root of 101002 is about 317.8081182097. The cubic root of 101002 is about 46.5704024694.

Adding to 101002 its reverse (200101), we get a palindrome (301103).

Subtracting 101002 from its reverse (200101), we obtain a palindrome (99099).

Multiplying 101002 by its reverse (200101), we get a palindrome (20210601202).

The spelling of 101002 in words is "one hundred one thousand, two", and thus it is an iban number.