126512606 has 16 divisors (see below), whose sum is σ = 219198960. Its totient is φ = 54122880.

The previous prime is 126512599. The next prime is 126512609. The reversal of 126512606 is 606215621.

It is a super-2 number, since 2×126512606² = 32010878953822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126512609) 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, 168761 + ... + 169508.

It is an arithmetic number, because the mean of its divisors is an integer number (13699935).

Almost surely, 2^126512606 is an apocalyptic number.

126512606 is a deficient number, since it is larger than the sum of its proper divisors (92686354).

126512606 is a wasteful number, since it uses less digits than its factorization.

126512606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338299.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 126512606 is about 11247.7822702967. The cubic root of 126512606 is about 502.0087272230.

The spelling of 126512606 in words is "one hundred twenty-six million, five hundred twelve thousand, six hundred six".