126516843 has 8 divisors (see below), whose sum is σ = 187432400. Its totient is φ = 84344544.

The previous prime is 126516829. The next prime is 126516847. The reversal of 126516843 is 348615621.

It is a happy number.

It is not a de Polignac number, because 126516843 - 2⁶ = 126516779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126516798 and 126516807.

It is not an unprimeable number, because it can be changed into a prime (126516847) 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, 2342878 + ... + 2342931.

It is an arithmetic number, because the mean of its divisors is an integer number (23429050).

Almost surely, 2^126516843 is an apocalyptic number.

126516843 is a deficient number, since it is larger than the sum of its proper divisors (60915557).

126516843 is an equidigital number, since it uses as much as digits as its factorization.

126516843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685818 (or 4685812 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 126516843 is about 11247.9706169602. The cubic root of 126516843 is about 502.0143313739.

The spelling of 126516843 in words is "one hundred twenty-six million, five hundred sixteen thousand, eight hundred forty-three".