9812101 has 8 divisors (see below), whose sum is σ = 10604664. Its totient is φ = 9024960.

The previous prime is 9812087. The next prime is 9812123. The reversal of 9812101 is 1012189.

It can be written as a sum of positive squares in 4 ways, for example, as 1887876 + 7924225 = 1374^2 + 2815^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9812101 - 2⁷ = 9811973 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9819101) 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, 2931 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (1325583).

Almost surely, 2^9812101 is an apocalyptic number.

It is an amenable number.

9812101 is a deficient number, since it is larger than the sum of its proper divisors (792563).

9812101 is a wasteful number, since it uses less digits than its factorization.

9812101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 9812101 is about 3132.4273335546. The cubic root of 9812101 is about 214.0855409621.

The spelling of 9812101 in words is "nine million, eight hundred twelve thousand, one hundred one".