126281234650 has 48 divisors (see below), whose sum is σ = 237154356864. Its totient is φ = 50024782080.

The previous prime is 126281234647. The next prime is 126281234659. The reversal of 126281234650 is 56432182621.

It is not an unprimeable number, because it can be changed into a prime (126281234659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7489129 + ... + 7505971.

It is an arithmetic number, because the mean of its divisors is an integer number (4940715768).

Almost surely, 2^126281234650 is an apocalyptic number.

126281234650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126281234650 is a deficient number, since it is larger than the sum of its proper divisors (110873122214).

126281234650 is a wasteful number, since it uses less digits than its factorization.

126281234650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18295 (or 18290 counting only the distinct ones).

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

The spelling of 126281234650 in words is "one hundred twenty-six billion, two hundred eighty-one million, two hundred thirty-four thousand, six hundred fifty".