6456122131 has 4 divisors (see below), whose sum is σ = 6461171200. Its totient is φ = 6451073064.

The previous prime is 6456122111. The next prime is 6456122161. The reversal of 6456122131 is 1312216546.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6456122131 - 2⁷ = 6456122003 is a prime.

It is a super-2 number, since 2×6456122131² = 83363025940775962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6456122093 and 6456122102.

It is not an unprimeable number, because it can be changed into a prime (6456122111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2522616 + ... + 2525173.

It is an arithmetic number, because the mean of its divisors is an integer number (1615292800).

Almost surely, 2^6456122131 is an apocalyptic number.

6456122131 is a deficient number, since it is larger than the sum of its proper divisors (5049069).

6456122131 is a wasteful number, since it uses less digits than its factorization.

6456122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049068.

The product of its digits is 8640, while the sum is 31.

The square root of 6456122131 is about 80349.9977037959. The cubic root of 6456122131 is about 1862.0467440269.

Adding to 6456122131 its reverse (1312216546), we get a palindrome (7768338677).

The spelling of 6456122131 in words is "six billion, four hundred fifty-six million, one hundred twenty-two thousand, one hundred thirty-one".