126922622648 has 8 divisors (see below), whose sum is σ = 237979917480. Its totient is φ = 63461311320.

The previous prime is 126922622647. The next prime is 126922622653. The reversal of 126922622648 is 846226229621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×126922622648² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126922622596 and 126922622605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126922622647) by changing a digit.

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 as a sum of consecutive naturals, namely, 7932663908 + ... + 7932663923.

It is an arithmetic number, because the mean of its divisors is an integer number (29747489685).

Almost surely, 2^126922622648 is an apocalyptic number.

It is an amenable number.

126922622648 is a deficient number, since it is larger than the sum of its proper divisors (111057294832).

126922622648 is a wasteful number, since it uses less digits than its factorization.

126922622648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865327837 (or 15865327833 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The spelling of 126922622648 in words is "one hundred twenty-six billion, nine hundred twenty-two million, six hundred twenty-two thousand, six hundred forty-eight".