2106901 has 2 divisors, whose sum is σ = 2106902. Its totient is φ = 2106900.

The previous prime is 2106887. The next prime is 2106911. The reversal of 2106901 is 1096012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 62001 = 1430^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106901 - 2⁷ = 2106773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106911) 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 as a sum of consecutive naturals, namely, 1053450 + 1053451.

It is an arithmetic number, because the mean of its divisors is an integer number (1053451).

2^2106901 is an apocalyptic number.

It is an amenable number.

2106901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106901 is an equidigital number, since it uses as much as digits as its factorization.

2106901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2106901 is about 1451.5167928756. The cubic root of 2106901 is about 128.1980373579.

The spelling of 2106901 in words is "two million, one hundred six thousand, nine hundred one".