2130907 has 4 divisors (see below), whose sum is σ = 2243080. Its totient is φ = 2018736.

The previous prime is 2130901. The next prime is 2130911. The reversal of 2130907 is 7090312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130901) 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, 56058 + ... + 56095.

It is an arithmetic number, because the mean of its divisors is an integer number (560770).

2^2130907 is an apocalyptic number.

2130907 is a deficient number, since it is larger than the sum of its proper divisors (112173).

2130907 is a wasteful number, since it uses less digits than its factorization.

2130907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112172.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2130907 is about 1459.7626519404. The cubic root of 2130907 is about 128.6830952859.

The spelling of 2130907 in words is "two million, one hundred thirty thousand, nine hundred seven".