125305207 has 2 divisors, whose sum is σ = 125305208. Its totient is φ = 125305206.

The previous prime is 125305151. The next prime is 125305211. The reversal of 125305207 is 702503521.

It is a strong prime.

It is an emirp because it is prime and its reverse (702503521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125305207 - 2¹⁹ = 124780919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125305217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62652603 + 62652604.

It is an arithmetic number, because the mean of its divisors is an integer number (62652604).

Almost surely, 2^125305207 is an apocalyptic number.

125305207 is a deficient number, since it is larger than the sum of its proper divisors (1).

125305207 is an equidigital number, since it uses as much as digits as its factorization.

125305207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 125305207 is about 11193.9808379325. The cubic root of 125305207 is about 500.4066119105.

Adding to 125305207 its reverse (702503521), we get a palindrome (827808728).

The spelling of 125305207 in words is "one hundred twenty-five million, three hundred five thousand, two hundred seven".