126522312 has 96 divisors (see below), whose sum is σ = 370235520. Its totient is φ = 35925120.

The previous prime is 126522301. The next prime is 126522329. The reversal of 126522312 is 213225621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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, 318498 + ... + 318894.

It is an arithmetic number, because the mean of its divisors is an integer number (3856620).

Almost surely, 2^126522312 is an apocalyptic number.

126522312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126522312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185117760).

126522312 is an abundant number, since it is smaller than the sum of its proper divisors (243713208).

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

126522312 is a wasteful number, since it uses less digits than its factorization.

126522312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 680 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 126522312 is about 11248.2137248543. The cubic root of 126522312 is about 502.0215648689.

Adding to 126522312 its reverse (213225621), we get a palindrome (339747933).

The spelling of 126522312 in words is "one hundred twenty-six million, five hundred twenty-two thousand, three hundred twelve".