124140443 has 16 divisors (see below), whose sum is σ = 150543360. Its totient is φ = 99931776.

The previous prime is 124140397. The next prime is 124140449. The reversal of 124140443 is 344041421.

It is a happy number.

It is not a de Polignac number, because 124140443 - 2⁸ = 124140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124140449) 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, 77630 + ... + 79212.

It is an arithmetic number, because the mean of its divisors is an integer number (9408960).

Almost surely, 2^124140443 is an apocalyptic number.

124140443 is a deficient number, since it is larger than the sum of its proper divisors (26402917).

124140443 is a wasteful number, since it uses less digits than its factorization.

124140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 124140443 is about 11141.8330179553. The cubic root of 124140443 is about 498.8512869376.

Adding to 124140443 its reverse (344041421), we get a palindrome (468181864).

The spelling of 124140443 in words is "one hundred twenty-four million, one hundred forty thousand, four hundred forty-three".