126522126 has 48 divisors (see below), whose sum is σ = 302893344. Its totient is φ = 37965312.

The previous prime is 126522119. The next prime is 126522127. The reversal of 126522126 is 621225621.

126522126 is a `hidden beast` number, since 1 + 2 + 652 + 2 + 1 + 2 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 126522126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126522127) 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 23 ways as a sum of consecutive naturals, for example, 1951 + ... + 16026.

It is an arithmetic number, because the mean of its divisors is an integer number (6310278).

Almost surely, 2^126522126 is an apocalyptic number.

126522126 is an abundant number, since it is smaller than the sum of its proper divisors (176371218).

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

126522126 is a wasteful number, since it uses less digits than its factorization.

126522126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025 (or 18022 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 126522126 is about 11248.2054568718. The cubic root of 126522126 is about 502.0213188620.

Adding to 126522126 its reverse (621225621), we get a palindrome (747747747).

The spelling of 126522126 in words is "one hundred twenty-six million, five hundred twenty-two thousand, one hundred twenty-six".