126705678 has 16 divisors (see below), whose sum is σ = 276448896. Its totient is φ = 38395640.

The previous prime is 126705671. The next prime is 126705679. The reversal of 126705678 is 876507621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126705671) 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, 959826 + ... + 959957.

It is an arithmetic number, because the mean of its divisors is an integer number (17278056).

Almost surely, 2^126705678 is an apocalyptic number.

126705678 is an abundant number, since it is smaller than the sum of its proper divisors (149743218).

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

126705678 is a wasteful number, since it uses less digits than its factorization.

126705678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919799.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 126705678 is about 11256.3616679636. The cubic root of 126705678 is about 502.2639707342.

The spelling of 126705678 in words is "one hundred twenty-six million, seven hundred five thousand, six hundred seventy-eight".