2120106 has 32 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 675584.

The previous prime is 2120101. The next prime is 2120113. The reversal of 2120106 is 6010212.

It is a junction number, because it is equal to n+sod(n) for n = 2120091 and 2120100.

It is not an unprimeable number, because it can be changed into a prime (2120101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18706 + ... + 18818.

It is an arithmetic number, because the mean of its divisors is an integer number (138510).

2^2120106 is an apocalyptic number.

2120106 is an abundant number, since it is smaller than the sum of its proper divisors (2312214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120106 is a wasteful number, since it uses less digits than its factorization.

2120106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120106 is about 1456.0583779506. The cubic root of 2120106 is about 128.4653067883.

Adding to 2120106 its reverse (6010212), we get a palindrome (8130318).

The spelling of 2120106 in words is "two million, one hundred twenty thousand, one hundred six".