2126807 has 4 divisors (see below), whose sum is σ = 2133456. Its totient is φ = 2120160.

The previous prime is 2126801. The next prime is 2126809. The reversal of 2126807 is 7086212.

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

It is a cyclic number.

It is not a de Polignac number, because 2126807 - 2⁴ = 2126791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126801) 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, 2819 + ... + 3492.

It is an arithmetic number, because the mean of its divisors is an integer number (533364).

2^2126807 is an apocalyptic number.

2126807 is a deficient number, since it is larger than the sum of its proper divisors (6649).

2126807 is an equidigital number, since it uses as much as digits as its factorization.

2126807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2126807 is about 1458.3576378927. The cubic root of 2126807 is about 128.6005108228.

The spelling of 2126807 in words is "two million, one hundred twenty-six thousand, eight hundred seven".