2127239 has 4 divisors (see below), whose sum is σ = 2132160. Its totient is φ = 2122320.

The previous prime is 2127163. The next prime is 2127269. The reversal of 2127239 is 9327212.

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-2127239 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 (2127269) 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, 1742 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (533040).

2^2127239 is an apocalyptic number.

2127239 is a deficient number, since it is larger than the sum of its proper divisors (4921).

2127239 is an equidigital number, since it uses as much as digits as its factorization.

2127239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 1512, while the sum is 26.

The square root of 2127239 is about 1458.5057421896. The cubic root of 2127239 is about 128.6092174049.

The spelling of 2127239 in words is "two million, one hundred twenty-seven thousand, two hundred thirty-nine".