2130667 has 24 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 1607760.

The previous prime is 2130631. The next prime is 2130671. The reversal of 2130667 is 7660312.

It is not a de Polignac number, because 2130667 - 2⁷ = 2130539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31768 + ... + 31834.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

2^2130667 is an apocalyptic number.

2130667 is a deficient number, since it is larger than the sum of its proper divisors (660053).

2130667 is a wasteful number, since it uses less digits than its factorization.

2130667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2130667 is about 1459.6804444809. The cubic root of 2130667 is about 128.6782639938.

Adding to 2130667 its reverse (7660312), we get a palindrome (9790979).

The spelling of 2130667 in words is "two million, one hundred thirty thousand, six hundred sixty-seven".