124242043 has 4 divisors (see below), whose sum is σ = 124264648. Its totient is φ = 124219440.

The previous prime is 124241993. The next prime is 124242049. The reversal of 124242043 is 340242421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124242043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124242049) 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 3 ways as a sum of consecutive naturals, for example, 2848 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (31066162).

Almost surely, 2^124242043 is an apocalyptic number.

124242043 is a deficient number, since it is larger than the sum of its proper divisors (22605).

124242043 is an equidigital number, since it uses as much as digits as its factorization.

124242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124242043 is about 11146.3914788599. The cubic root of 124242043 is about 498.9873410952.

Adding to 124242043 its reverse (340242421), we get a palindrome (464484464).

The spelling of 124242043 in words is "one hundred twenty-four million, two hundred forty-two thousand, forty-three".