126301312 has 16 divisors (see below), whose sum is σ = 251616150. Its totient is φ = 63150592.

The previous prime is 126301309. The next prime is 126301321. The reversal of 126301312 is 213103621.

It can be written as a sum of positive squares in only one way, i.e., 88059456 + 38241856 = 9384^2 + 6184^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 126301312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493237 + ... + 493492.

Almost surely, 2^126301312 is an apocalyptic number.

It is an amenable number.

126301312 is a deficient number, since it is larger than the sum of its proper divisors (125314838).

126301312 is an frugal number, since it uses more digits than its factorization.

126301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986743 (or 986731 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 126301312 is about 11238.3856491936. The cubic root of 126301312 is about 501.7290962263.

Adding to 126301312 its reverse (213103621), we get a palindrome (339404933).

The spelling of 126301312 in words is "one hundred twenty-six million, three hundred one thousand, three hundred twelve".