126128168 has 32 divisors (see below), whose sum is σ = 251164800. Its totient is φ = 59173632.

The previous prime is 126128143. The next prime is 126128179. The reversal of 126128168 is 861821621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50321 + ... + 52767.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2^126128168 is an apocalyptic number.

It is an amenable number.

126128168 is a deficient number, since it is larger than the sum of its proper divisors (125036632).

126128168 is a wasteful number, since it uses less digits than its factorization.

126128168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2845 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 126128168 is about 11230.6797657132. The cubic root of 126128168 is about 501.4997211753.

Adding to 126128168 its reverse (861821621), we get a palindrome (987949789).

The spelling of 126128168 in words is "one hundred twenty-six million, one hundred twenty-eight thousand, one hundred sixty-eight".