126730864 has 20 divisors (see below), whose sum is σ = 264429256. Its totient is φ = 58491072.

The previous prime is 126730859. The next prime is 126730867. The reversal of 126730864 is 468037621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126730867) by changing a digit.

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, 304434 + ... + 304849.

Almost surely, 2^126730864 is an apocalyptic number.

It is an amenable number.

126730864 is an abundant number, since it is smaller than the sum of its proper divisors (137698392).

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

126730864 is a wasteful number, since it uses less digits than its factorization.

126730864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609304 (or 609298 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 126730864 is about 11257.4803575223. The cubic root of 126730864 is about 502.2972478072.

It can be divided in two parts, 1267 and 30864, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 126730864 in words is "one hundred twenty-six million, seven hundred thirty thousand, eight hundred sixty-four".