126564090 has 16 divisors (see below), whose sum is σ = 303753888. Its totient is φ = 33750416.

The previous prime is 126564079. The next prime is 126564107. The reversal of 126564090 is 90465621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109372 + ... + 2109431.

It is an arithmetic number, because the mean of its divisors is an integer number (18984618).

Almost surely, 2^126564090 is an apocalyptic number.

126564090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126564090 is an abundant number, since it is smaller than the sum of its proper divisors (177189798).

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

126564090 is a wasteful number, since it uses less digits than its factorization.

126564090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218813.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 126564090 is about 11250.0706664447. The cubic root of 126564090 is about 502.0768150682.

The spelling of 126564090 in words is "one hundred twenty-six million, five hundred sixty-four thousand, ninety".