2130109 has 4 divisors (see below), whose sum is σ = 2242240. Its totient is φ = 2017980.

The previous prime is 2130101. The next prime is 2130133. The reversal of 2130109 is 9010312.

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.

It is a cyclic number.

It is not a de Polignac number, because 2130109 - 2³ = 2130101 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130092 and 2130101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130101) 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, 56037 + ... + 56074.

It is an arithmetic number, because the mean of its divisors is an integer number (560560).

2^2130109 is an apocalyptic number.

It is an amenable number.

2130109 is a deficient number, since it is larger than the sum of its proper divisors (112131).

2130109 is a wasteful number, since it uses less digits than its factorization.

2130109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112130.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2130109 is about 1459.4892942396. The cubic root of 2130109 is about 128.6670298372.

The spelling of 2130109 in words is "two million, one hundred thirty thousand, one hundred nine".