124140043 has 4 divisors (see below), whose sum is σ = 124588480. Its totient is φ = 123691608.

The previous prime is 124140041. The next prime is 124140059. The reversal of 124140043 is 340041421.

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 124140043 - 2¹ = 124140041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124140043.

It is not an unprimeable number, because it can be changed into a prime (124140041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223803 + ... + 224356.

It is an arithmetic number, because the mean of its divisors is an integer number (31147120).

Almost surely, 2^124140043 is an apocalyptic number.

124140043 is a deficient number, since it is larger than the sum of its proper divisors (448437).

124140043 is an equidigital number, since it uses as much as digits as its factorization.

124140043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448436.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 124140043 is about 11141.8150675731. The cubic root of 124140043 is about 498.8507511447.

Adding to 124140043 its reverse (340041421), we get a palindrome (464181464).

The spelling of 124140043 in words is "one hundred twenty-four million, one hundred forty thousand, forty-three".