2749123 has 6 divisors (see below), whose sum is σ = 2977044. Its totient is φ = 2537496.

The previous prime is 2749093. The next prime is 2749127. The reversal of 2749123 is 3219472.

It is not a de Polignac number, because 2749123 - 2²¹ = 651971 is a prime.

It is a Duffinian number.

2749123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2749091 and 2749100.

It is not an unprimeable number, because it can be changed into a prime (2749127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7965 + ... + 8302.

It is an arithmetic number, because the mean of its divisors is an integer number (496174).

2^2749123 is an apocalyptic number.

2749123 is a deficient number, since it is larger than the sum of its proper divisors (227921).

2749123 is a wasteful number, since it uses less digits than its factorization.

2749123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293 (or 16280 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2749123 is about 1658.0479486432. The cubic root of 2749123 is about 140.0870716857.

The spelling of 2749123 in words is "two million, seven hundred forty-nine thousand, one hundred twenty-three".