2101208 has 8 divisors (see below), whose sum is σ = 3939780. Its totient is φ = 1050600.

The previous prime is 2101207. The next prime is 2101213. The reversal of 2101208 is 8021012.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2101192 and 2101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131318 + ... + 131333.

2^2101208 is an apocalyptic number.

It is an amenable number.

2101208 is a deficient number, since it is larger than the sum of its proper divisors (1838572).

2101208 is a wasteful number, since it uses less digits than its factorization.

2101208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262657 (or 262653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2101208 is about 1449.5544142943. The cubic root of 2101208 is about 128.0824663893.

The spelling of 2101208 in words is "two million, one hundred one thousand, two hundred eight".