124345243 has 8 divisors (see below), whose sum is σ = 140327280. Its totient is φ = 109142880.

The previous prime is 124345229. The next prime is 124345283. The reversal of 124345243 is 342543421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124345243 - 2¹⁷ = 124214171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124345283) 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 7 ways as a sum of consecutive naturals, for example, 194580 + ... + 195217.

It is an arithmetic number, because the mean of its divisors is an integer number (17540910).

Almost surely, 2^124345243 is an apocalyptic number.

124345243 is a deficient number, since it is larger than the sum of its proper divisors (15982037).

124345243 is a wasteful number, since it uses less digits than its factorization.

124345243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389837.

The product of its digits is 11520, while the sum is 28.

The square root of 124345243 is about 11151.0198188327. The cubic root of 124345243 is about 499.1254619248.

Adding to 124345243 its reverse (342543421), we get a palindrome (466888664).

The spelling of 124345243 in words is "one hundred twenty-four million, three hundred forty-five thousand, two hundred forty-three".