126426856 has 16 divisors (see below), whose sum is σ = 240589440. Its totient is φ = 62269680.

The previous prime is 126426847. The next prime is 126426857. The reversal of 126426856 is 658624621.

It is not an unprimeable number, because it can be changed into a prime (126426857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117400 + ... + 118471.

It is an arithmetic number, because the mean of its divisors is an integer number (15036840).

Almost surely, 2^126426856 is an apocalyptic number.

It is an amenable number.

126426856 is a deficient number, since it is larger than the sum of its proper divisors (114162584).

126426856 is a wasteful number, since it uses less digits than its factorization.

126426856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235944 (or 235940 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 126426856 is about 11243.9697616100. The cubic root of 126426856 is about 501.8952814061.

The spelling of 126426856 in words is "one hundred twenty-six million, four hundred twenty-six thousand, eight hundred fifty-six".