126281812704 has 48 divisors (see below), whose sum is σ = 332102630160. Its totient is φ = 42016112640.

The previous prime is 126281812703. The next prime is 126281812717. The reversal of 126281812704 is 407218182621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126281812703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163809 + ... + 1267680.

It is an arithmetic number, because the mean of its divisors is an integer number (6918804795).

Almost surely, 2^126281812704 is an apocalyptic number.

It is an amenable number.

126281812704 is an abundant number, since it is smaller than the sum of its proper divisors (205820817456).

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

126281812704 is a wasteful number, since it uses less digits than its factorization.

126281812704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432043 (or 2432035 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 126281812704 in words is "one hundred twenty-six billion, two hundred eighty-one million, eight hundred twelve thousand, seven hundred four".