126528805 has 16 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 92524608.

The previous prime is 126528803. The next prime is 126528817. The reversal of 126528805 is 508825621.

It is a cyclic number.

It is not a de Polignac number, because 126528805 - 2¹ = 126528803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126528803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2755 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^126528805 is an apocalyptic number.

It is an amenable number.

126528805 is a deficient number, since it is larger than the sum of its proper divisors (38581595).

126528805 is a wasteful number, since it uses less digits than its factorization.

126528805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 126528805 is about 11248.5023447568. The cubic root of 126528805 is about 502.0301524721.

The spelling of 126528805 in words is "one hundred twenty-six million, five hundred twenty-eight thousand, eight hundred five".