126840568 has 16 divisors (see below), whose sum is σ = 237991680. Its totient is φ = 63376128.

The previous prime is 126840559. The next prime is 126840589. The reversal of 126840568 is 865048621.

It is a self number, because there is not a number n which added to its sum of digits gives 126840568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8905 + ... + 18247.

It is an arithmetic number, because the mean of its divisors is an integer number (14874480).

Almost surely, 2^126840568 is an apocalyptic number.

It is an amenable number.

126840568 is a deficient number, since it is larger than the sum of its proper divisors (111151112).

126840568 is a wasteful number, since it uses less digits than its factorization.

126840568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046 (or 11042 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 126840568 is about 11262.3517970271. The cubic root of 126840568 is about 502.4421431205.

The spelling of 126840568 in words is "one hundred twenty-six million, eight hundred forty thousand, five hundred sixty-eight".