126512128 has 22 divisors (see below), whose sum is σ = 252902756. Its totient is φ = 63255552.

The previous prime is 126512117. The next prime is 126512161. The reversal of 126512128 is 821215621.

It is a junction number, because it is equal to n+sod(n) for n = 126512096 and 126512105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60750 + ... + 62797.

Almost surely, 2^126512128 is an apocalyptic number.

It is an amenable number.

126512128 is a deficient number, since it is larger than the sum of its proper divisors (126390628).

126512128 is an equidigital number, since it uses as much as digits as its factorization.

126512128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123567 (or 123549 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 126512128 is about 11247.7610216434. The cubic root of 126512128 is about 502.0080949791.

Adding to 126512128 its reverse (821215621), we get a palindrome (947727749).

The spelling of 126512128 in words is "one hundred twenty-six million, five hundred twelve thousand, one hundred twenty-eight".