126025728 has 68 divisors (see below), whose sum is σ = 336590328. Its totient is φ = 41943040.

The previous prime is 126025723. The next prime is 126025729. The reversal of 126025728 is 827520621.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (126025721) 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, 196288 + ... + 196928.

Almost surely, 2^126025728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126025728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168295164).

126025728 is an abundant number, since it is smaller than the sum of its proper divisors (210564600).

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

126025728 is an frugal number, since it uses more digits than its factorization.

126025728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 126025728 is about 11226.1181180317. The cubic root of 126025728 is about 501.3639134307.

The spelling of 126025728 in words is "one hundred twenty-six million, twenty-five thousand, seven hundred twenty-eight".