126506007 has 24 divisors (see below), whose sum is σ = 186504864. Its totient is φ = 82612224.

The previous prime is 126505991. The next prime is 126506011. The reversal of 126506007 is 700605621.

126506007 is a `hidden beast` number, since 1 + 2 + 6 + 50 + 600 + 7 = 666.

It is a Cunningham number, because it is equal to 502³-1.

It is not a de Polignac number, because 126506007 - 2⁴ = 126505991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126506057) 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 23 ways as a sum of consecutive naturals, for example, 109143 + ... + 110295.

It is an arithmetic number, because the mean of its divisors is an integer number (7771036).

Almost surely, 2^126506007 is an apocalyptic number.

126506007 is a deficient number, since it is larger than the sum of its proper divisors (59998857).

126506007 is a wasteful number, since it uses less digits than its factorization.

126506007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 126506007 is about 11247.4889197545. The cubic root of 126506007 is about 501.9999986773. Note that the first 5 decimals are identical.

The spelling of 126506007 in words is "one hundred twenty-six million, five hundred six thousand, seven".