126681528 has 16 divisors (see below), whose sum is σ = 316703880. Its totient is φ = 42227168.

The previous prime is 126681521. The next prime is 126681563. The reversal of 126681528 is 825186621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126681521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639175 + ... + 2639222.

Almost surely, 2^126681528 is an apocalyptic number.

It is an amenable number.

126681528 is an abundant number, since it is smaller than the sum of its proper divisors (190022352).

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

126681528 is a wasteful number, since it uses less digits than its factorization.

126681528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278406 (or 5278402 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 126681528 is about 11255.2888901174. The cubic root of 126681528 is about 502.2320583374.

It can be divided in two parts, 12668 and 1528, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 126681528 in words is "one hundred twenty-six million, six hundred eighty-one thousand, five hundred twenty-eight".