126784864 has 24 divisors (see below), whose sum is σ = 253842120. Its totient is φ = 62317056.

The previous prime is 126784859. The next prime is 126784871. The reversal of 126784864 is 468487621.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31689 + ... + 35464.

It is an arithmetic number, because the mean of its divisors is an integer number (10576755).

Almost surely, 2^126784864 is an apocalyptic number.

It is an amenable number.

126784864 is an abundant number, since it is smaller than the sum of its proper divisors (127057256).

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

126784864 is an equidigital number, since it uses as much as digits as its factorization.

126784864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67222 (or 67214 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 126784864 is about 11259.8785073375. The cubic root of 126784864 is about 502.3685806010.

It can be divided in two parts, 12 and 6784864, that added together give a palindrome (6784876).

The spelling of 126784864 in words is "one hundred twenty-six million, seven hundred eighty-four thousand, eight hundred sixty-four".