126401528 has 64 divisors (see below), whose sum is σ = 288230400. Its totient is φ = 51217920.

The previous prime is 126401519. The next prime is 126401533. The reversal of 126401528 is 825104621.

It is a self number, because there is not a number n which added to its sum of digits gives 126401528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26201 + ... + 30647.

It is an arithmetic number, because the mean of its divisors is an integer number (4503600).

Almost surely, 2^126401528 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 126401528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144115200).

126401528 is an abundant number, since it is smaller than the sum of its proper divisors (161828872).

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

126401528 is a wasteful number, since it uses less digits than its factorization.

126401528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4496 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 126401528 is about 11242.8434125892. The cubic root of 126401528 is about 501.8617630723.

The spelling of 126401528 in words is "one hundred twenty-six million, four hundred one thousand, five hundred twenty-eight".