126147843 has 6 divisors (see below), whose sum is σ = 182213564. Its totient is φ = 84098556.

The previous prime is 126147839. The next prime is 126147881. The reversal of 126147843 is 348741621.

It is not a de Polignac number, because 126147843 - 2² = 126147839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126147798 and 126147807.

It is not an unprimeable number, because it can be changed into a prime (126147143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7008205 + ... + 7008222.

Almost surely, 2^126147843 is an apocalyptic number.

126147843 is a deficient number, since it is larger than the sum of its proper divisors (56065721).

126147843 is a wasteful number, since it uses less digits than its factorization.

126147843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016433 (or 14016430 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 126147843 is about 11231.5556803143. Note that the first 3 decimals coincide. The cubic root of 126147843 is about 501.5257964873.

The spelling of 126147843 in words is "one hundred twenty-six million, one hundred forty-seven thousand, eight hundred forty-three".