126812128 has 24 divisors (see below), whose sum is σ = 258272280. Its totient is φ = 61219200.

The previous prime is 126812123. The next prime is 126812149. The reversal of 126812128 is 821218621.

It is a self number, because there is not a number n which added to its sum of digits gives 126812128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126812123) 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, 67398 + ... + 69253.

It is an arithmetic number, because the mean of its divisors is an integer number (10761345).

Almost surely, 2^126812128 is an apocalyptic number.

It is an amenable number.

126812128 is an abundant number, since it is smaller than the sum of its proper divisors (131460152).

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

126812128 is a wasteful number, since it uses less digits than its factorization.

126812128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136690 (or 136682 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 126812128 is about 11261.0891125148. The cubic root of 126812128 is about 502.4045880415.

The spelling of 126812128 in words is "one hundred twenty-six million, eight hundred twelve thousand, one hundred twenty-eight".