126424143243 has 12 divisors (see below), whose sum is σ = 184319313048. Its totient is φ = 83495072160.

The previous prime is 126424143233. The next prime is 126424143277. The reversal of 126424143243 is 342341424621.

126424143243 is a `hidden beast` number, since 1 + 2 + 642 + 4 + 1 + 4 + 3 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 126424143243 - 2⁴ = 126424143227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126424143198 and 126424143207.

It is not an unprimeable number, because it can be changed into a prime (126424143233) 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, 65639818 + ... + 65641743.

It is an arithmetic number, because the mean of its divisors is an integer number (15359942754).

Almost surely, 2^126424143243 is an apocalyptic number.

126424143243 is a deficient number, since it is larger than the sum of its proper divisors (57895169805).

126424143243 is a wasteful number, since it uses less digits than its factorization.

126424143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131281674 (or 131281671 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 126424143243 its reverse (342341424621), we get a palindrome (468765567864).

The spelling of 126424143243 in words is "one hundred twenty-six billion, four hundred twenty-four million, one hundred forty-three thousand, two hundred forty-three".