1944123 has 4 divisors (see below), whose sum is σ = 2592168. Its totient is φ = 1296080.

The previous prime is 1944113. The next prime is 1944127. The reversal of 1944123 is 3214491.

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 1944123 - 2⁸ = 1943867 is a prime.

It is a super-2 number, since 2×1944123² = 7559228478258, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1944093 and 1944102.

It is not an unprimeable number, because it can be changed into a prime (1944127) 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 3 ways as a sum of consecutive naturals, for example, 324018 + ... + 324023.

It is an arithmetic number, because the mean of its divisors is an integer number (648042).

2^1944123 is an apocalyptic number.

1944123 is a deficient number, since it is larger than the sum of its proper divisors (648045).

1944123 is an equidigital number, since it uses as much as digits as its factorization.

1944123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648044.

The product of its digits is 864, while the sum is 24.

The square root of 1944123 is about 1394.3181129140. The cubic root of 1944123 is about 124.8076615324.

The spelling of 1944123 in words is "one million, nine hundred forty-four thousand, one hundred twenty-three".