126251065 has 16 divisors (see below), whose sum is σ = 161786880. Its totient is φ = 94368960.

The previous prime is 126251057. The next prime is 126251077. The reversal of 126251065 is 560152621.

It is not a de Polignac number, because 126251065 - 2³ = 126251057 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9549 + ... + 18538.

It is an arithmetic number, because the mean of its divisors is an integer number (10111680).

Almost surely, 2^126251065 is an apocalyptic number.

It is an amenable number.

126251065 is a deficient number, since it is larger than the sum of its proper divisors (35535815).

126251065 is a wasteful number, since it uses less digits than its factorization.

126251065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28152.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 126251065 is about 11236.1499189002. The cubic root of 126251065 is about 501.6625523786.

The spelling of 126251065 in words is "one hundred twenty-six million, two hundred fifty-one thousand, sixty-five".