1000101 has 4 divisors (see below), whose sum is σ = 1333472. Its totient is φ = 666732.

The previous prime is 1000099. The next prime is 1000117. The reversal of 1000101 is 1010001.

1000101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010001 = 3 ⋅336667.

It is not a de Polignac number, because 1000101 - 2¹ = 1000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (3), and also a Moran number because the ratio is a prime number: 333367 = 1000101 / (1 + 0 + 0 + 0 + 1 + 0 + 1).

It is a D-number.

It is a Duffinian number.

1000101 is a modest number, since divided by 101 gives 100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166681 + ... + 166686.

It is an arithmetic number, because the mean of its divisors is an integer number (333368).

2^1000101 is an apocalyptic number.

It is an amenable number.

1000101 is a deficient number, since it is larger than the sum of its proper divisors (333371).

1000101 is an equidigital number, since it uses as much as digits as its factorization.

1000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333370.

The product of its (nonzero) digits is 1, while the sum is 3.

The square root of 1000101 is about 1000.0504987249. The cubic root of 1000101 is about 100.0033665533.

Adding to 1000101 its reverse (1010001), we get a palindrome (2010102).

Multiplying 1000101 by its reverse (1010001), we get a palindrome (1010103010101).

The spelling of 1000101 in words is "one million, one hundred one", and thus it is an aban number.