2739123 has 8 divisors (see below), whose sum is σ = 4058000. Its totient is φ = 1826064.

The previous prime is 2739119. The next prime is 2739127. The reversal of 2739123 is 3219372.

It is an interprime number because it is at equal distance from previous prime (2739119) and next prime (2739127).

It is not a de Polignac number, because 2739123 - 2² = 2739119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 101449 = 2739123 / (2 + 7 + 3 + 9 + 1 + 2 + 3).

It is a Duffinian number.

2739123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2739127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50698 + ... + 50751.

It is an arithmetic number, because the mean of its divisors is an integer number (507250).

2^2739123 is an apocalyptic number.

2739123 is a deficient number, since it is larger than the sum of its proper divisors (1318877).

2739123 is a wasteful number, since it uses less digits than its factorization.

2739123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101458 (or 101452 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2739123 is about 1655.0296069859. The cubic root of 2739123 is about 139.9170086359.

Subtracting 2739123 from its reverse (3219372), we obtain a square (480249 = 693²).

The spelling of 2739123 in words is "two million, seven hundred thirty-nine thousand, one hundred twenty-three".