125529628187 has 2 divisors, whose sum is σ = 125529628188. Its totient is φ = 125529628186.

The previous prime is 125529628129. The next prime is 125529628193. The reversal of 125529628187 is 781826925521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125529628187 - 2⁸ = 125529627931 is a prime.

It is not a weakly prime, because it can be changed into another prime (125529618187) 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, 62764814093 + 62764814094.

It is an arithmetic number, because the mean of its divisors is an integer number (62764814094).

Almost surely, 2^125529628187 is an apocalyptic number.

125529628187 is a deficient number, since it is larger than the sum of its proper divisors (1).

125529628187 is an equidigital number, since it uses as much as digits as its factorization.

125529628187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 56.

The spelling of 125529628187 in words is "one hundred twenty-five billion, five hundred twenty-nine million, six hundred twenty-eight thousand, one hundred eighty-seven".