2124719 has 4 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 2120544.

The previous prime is 2124679. The next prime is 2124757. The reversal of 2124719 is 9174212.

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 2124719 - 2²⁰ = 1076143 is a prime.

It is a super-2 number, since 2×2124719² = 9028861657922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124769) 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, 1199 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (532224).

2^2124719 is an apocalyptic number.

2124719 is a deficient number, since it is larger than the sum of its proper divisors (4177).

2124719 is an equidigital number, since it uses as much as digits as its factorization.

2124719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its digits is 1008, while the sum is 26.

The square root of 2124719 is about 1457.6415883200. The cubic root of 2124719 is about 128.5584123801.

The spelling of 2124719 in words is "two million, one hundred twenty-four thousand, seven hundred nineteen".