125231511227 has 2 divisors, whose sum is σ = 125231511228. Its totient is φ = 125231511226.

The previous prime is 125231511133. The next prime is 125231511257. The reversal of 125231511227 is 722115132521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125231511227 - 2¹⁰ = 125231510203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125231511193 and 125231511202.

It is not a weakly prime, because it can be changed into another prime (125231511257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62615755613 + 62615755614.

It is an arithmetic number, because the mean of its divisors is an integer number (62615755614).

Almost surely, 2^125231511227 is an apocalyptic number.

125231511227 is a deficient number, since it is larger than the sum of its proper divisors (1).

125231511227 is an equidigital number, since it uses as much as digits as its factorization.

125231511227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

Adding to 125231511227 its reverse (722115132521), we get a palindrome (847346643748).

The spelling of 125231511227 in words is "one hundred twenty-five billion, two hundred thirty-one million, five hundred eleven thousand, two hundred twenty-seven".