126265560 has 64 divisors (see below), whose sum is σ = 379745280. Its totient is φ = 33586560.

The previous prime is 126265549. The next prime is 126265567. The reversal of 126265560 is 65562621.

It is a happy number.

It is a super-2 number, since 2×126265560² = 31885983284227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126265567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57849 + ... + 59991.

It is an arithmetic number, because the mean of its divisors is an integer number (5933520).

Almost surely, 2^126265560 is an apocalyptic number.

126265560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126265560 is an abundant number, since it is smaller than the sum of its proper divisors (253479720).

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

126265560 is a wasteful number, since it uses less digits than its factorization.

126265560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 126265560 is about 11236.7949167011. The cubic root of 126265560 is about 501.6817504224.

The spelling of 126265560 in words is "one hundred twenty-six million, two hundred sixty-five thousand, five hundred sixty".