2772123 has 4 divisors (see below), whose sum is σ = 3696168. Its totient is φ = 1848080.

The previous prime is 2772101. The next prime is 2772127. The reversal of 2772123 is 3212772.

2772123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2772123 - 2⁹ = 2771611 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2772093 and 2772102.

It is not an unprimeable number, because it can be changed into a prime (2772127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462018 + ... + 462023.

It is an arithmetic number, because the mean of its divisors is an integer number (924042).

2^2772123 is an apocalyptic number.

2772123 is a deficient number, since it is larger than the sum of its proper divisors (924045).

2772123 is an equidigital number, since it uses as much as digits as its factorization.

2772123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924044.

The product of its digits is 1176, while the sum is 24.

The square root of 2772123 is about 1664.9693690876. The cubic root of 2772123 is about 140.4766575964.

Adding to 2772123 its reverse (3212772), we get a palindrome (5984895).

The spelling of 2772123 in words is "two million, seven hundred seventy-two thousand, one hundred twenty-three".