124005420243 has 12 divisors (see below), whose sum is σ = 179137538008. Its totient is φ = 82661696640.

The previous prime is 124005420233. The next prime is 124005420263. The reversal of 124005420243 is 342024500421.

124005420243 is a `hidden beast` number, since 1 + 2 + 400 + 54 + 202 + 4 + 3 = 666.

It is not a de Polignac number, because 124005420243 - 2⁶ = 124005420179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124005420233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623173 + ... + 797718.

Almost surely, 2^124005420243 is an apocalyptic number.

124005420243 is a deficient number, since it is larger than the sum of its proper divisors (55132117765).

124005420243 is a wasteful number, since it uses less digits than its factorization.

124005420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430594 (or 1430591 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 124005420243 its reverse (342024500421), we get a palindrome (466029920664).

The spelling of 124005420243 in words is "one hundred twenty-four billion, five million, four hundred twenty thousand, two hundred forty-three".