126320051121 has 8 divisors (see below), whose sum is σ = 183738256224. Its totient is φ = 76557606720.

The previous prime is 126320051111. The next prime is 126320051159. The reversal of 126320051121 is 121150023621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126320051121 - 2⁷ = 126320050993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126320051091 and 126320051100.

It is not an unprimeable number, because it can be changed into a prime (126320051111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913940136 + ... + 1913940201.

It is an arithmetic number, because the mean of its divisors is an integer number (22967282028).

Almost surely, 2^126320051121 is an apocalyptic number.

126320051121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126320051121 is a deficient number, since it is larger than the sum of its proper divisors (57418205103).

126320051121 is a wasteful number, since it uses less digits than its factorization.

126320051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827880351.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 126320051121 its reverse (121150023621), we get a palindrome (247470074742).

The spelling of 126320051121 in words is "one hundred twenty-six billion, three hundred twenty million, fifty-one thousand, one hundred twenty-one".