2127123 has 12 divisors (see below), whose sum is σ = 3098368. Its totient is φ = 1406160.

The previous prime is 2127077. The next prime is 2127133. The reversal of 2127123 is 3217212.

It is not a de Polignac number, because 2127123 - 2⁸ = 2126867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2127096 and 2127105.

It is not an unprimeable number, because it can be changed into a prime (2127133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213 + ... + 2073.

2^2127123 is an apocalyptic number.

2127123 is a deficient number, since it is larger than the sum of its proper divisors (971245).

2127123 is a wasteful number, since it uses less digits than its factorization.

2127123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1991 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 2127123 is about 1458.4659749202. The cubic root of 2127123 is about 128.6068796421.

The spelling of 2127123 in words is "two million, one hundred twenty-seven thousand, one hundred twenty-three".