126265207 has 4 divisors (see below), whose sum is σ = 126290016. Its totient is φ = 126240400.

The previous prime is 126265169. The next prime is 126265213. The reversal of 126265207 is 702562621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126265207 - 2⁷ = 126265079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126265247) 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 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (31572504).

Almost surely, 2^126265207 is an apocalyptic number.

126265207 is a deficient number, since it is larger than the sum of its proper divisors (24809).

126265207 is an equidigital number, since it uses as much as digits as its factorization.

126265207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24808.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 126265207 is about 11236.7792093642. The cubic root of 126265207 is about 501.6812829056.

The spelling of 126265207 in words is "one hundred twenty-six million, two hundred sixty-five thousand, two hundred seven".