126281812746 has 16 divisors (see below), whose sum is σ = 252571593024. Its totient is φ = 42092609664.

The previous prime is 126281812739. The next prime is 126281812771. The reversal of 126281812746 is 647218182621.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126281812695 and 126281812704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115030 + ... + 515553.

It is an arithmetic number, because the mean of its divisors is an integer number (15785724564).

Almost surely, 2^126281812746 is an apocalyptic number.

126281812746 is an abundant number, since it is smaller than the sum of its proper divisors (126289780278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126281812746 is a wasteful number, since it uses less digits than its factorization.

126281812746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663965.

The product of its digits is 516096, while the sum is 48.

The spelling of 126281812746 in words is "one hundred twenty-six billion, two hundred eighty-one million, eight hundred twelve thousand, seven hundred forty-six".