126320426324 has 24 divisors (see below), whose sum is σ = 223223182560. Its totient is φ = 62542884896.

The previous prime is 126320426273. The next prime is 126320426339. The reversal of 126320426324 is 423624023621.

It is a happy number.

It is a super-2 number, since 2×126320426324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946187 + ... + 1071405.

It is an arithmetic number, because the mean of its divisors is an integer number (9300965940).

Almost surely, 2^126320426324 is an apocalyptic number.

It is an amenable number.

126320426324 is a deficient number, since it is larger than the sum of its proper divisors (96902756236).

126320426324 is a wasteful number, since it uses less digits than its factorization.

126320426324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127687 (or 127685 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 126320426324 its reverse (423624023621), we get a palindrome (549944449945).

The spelling of 126320426324 in words is "one hundred twenty-six billion, three hundred twenty million, four hundred twenty-six thousand, three hundred twenty-four".