123944541 has 16 divisors (see below), whose sum is σ = 194961408. Its totient is φ = 68540400.

The previous prime is 123944531. The next prime is 123944609. The reversal of 123944541 is 145449321.

It is not a de Polignac number, because 123944541 - 2¹¹ = 123942493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123944531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94545 + ... + 95846.

It is an arithmetic number, because the mean of its divisors is an integer number (12185088).

Almost surely, 2^123944541 is an apocalyptic number.

It is an amenable number.

123944541 is a deficient number, since it is larger than the sum of its proper divisors (71016867).

123944541 is a wasteful number, since it uses less digits than its factorization.

123944541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190432.

The product of its digits is 17280, while the sum is 33.

The square root of 123944541 is about 11133.0382645529. The cubic root of 123944541 is about 498.5887417815.

The spelling of 123944541 in words is "one hundred twenty-three million, nine hundred forty-four thousand, five hundred forty-one".