126665124123234 has 16 divisors (see below), whose sum is σ = 255838468527360. Its totient is φ = 41803671327600.

The previous prime is 126665124123163. The next prime is 126665124123247. The reversal of 126665124123234 is 432321421566621.

It is a super-3 number, since 3×126665124123234³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104509177714 + ... + 104509178925.

It is an arithmetic number, because the mean of its divisors is an integer number (15989904282960).

Almost surely, 2^{126665124123234} is an apocalyptic number.

126665124123234 is an abundant number, since it is smaller than the sum of its proper divisors (129173344404126).

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

126665124123234 is a wasteful number, since it uses less digits than its factorization.

126665124123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209018356745.

The product of its digits is 2488320, while the sum is 48.

Adding to 126665124123234 its reverse (432321421566621), we get a palindrome (558986545689855).

The spelling of 126665124123234 in words is "one hundred twenty-six trillion, six hundred sixty-five billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred thirty-four".