126281768404 has 48 divisors (see below), whose sum is σ = 245839426560. Its totient is φ = 56273729760.

The previous prime is 126281768351. The next prime is 126281768407. The reversal of 126281768404 is 404867182621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126281768407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886459 + ... + 1019005.

It is an arithmetic number, because the mean of its divisors is an integer number (5121654720).

Almost surely, 2^126281768404 is an apocalyptic number.

It is an amenable number.

126281768404 is a deficient number, since it is larger than the sum of its proper divisors (119557658156).

126281768404 is a wasteful number, since it uses less digits than its factorization.

126281768404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132988 (or 132986 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 126281768404 in words is "one hundred twenty-six billion, two hundred eighty-one million, seven hundred sixty-eight thousand, four hundred four".