126262566 has 48 divisors (see below), whose sum is σ = 286460928. Its totient is φ = 40143600.

The previous prime is 126262561. The next prime is 126262583. The reversal of 126262566 is 665262621.

126262566 is a `hidden beast` number, since 1 + 2 + 626 + 25 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126262566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126262561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38025 + ... + 41211.

It is an arithmetic number, because the mean of its divisors is an integer number (5967936).

Almost surely, 2^126262566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126262566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143230464).

126262566 is an abundant number, since it is smaller than the sum of its proper divisors (160198362).

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

126262566 is a wasteful number, since it uses less digits than its factorization.

126262566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297 (or 3294 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 126262566 is about 11236.6616928695. The cubic root of 126262566 is about 501.6777851104.

The spelling of 126262566 in words is "one hundred twenty-six million, two hundred sixty-two thousand, five hundred sixty-six".