126765856 has 24 divisors (see below), whose sum is σ = 285223680. Its totient is φ = 54328128.

The previous prime is 126765841. The next prime is 126765883. The reversal of 126765856 is 658567621.

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, 282736 + ... + 283183.

It is an arithmetic number, because the mean of its divisors is an integer number (11884320).

Almost surely, 2^126765856 is an apocalyptic number.

126765856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126765856 is an abundant number, since it is smaller than the sum of its proper divisors (158457824).

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

126765856 is an equidigital number, since it uses as much as digits as its factorization.

126765856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565936 (or 565928 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 126765856 is about 11259.0344168583. The cubic root of 126765856 is about 502.3434737680.

The spelling of 126765856 in words is "one hundred twenty-six million, seven hundred sixty-five thousand, eight hundred fifty-six".