125134988827 has 2 divisors, whose sum is σ = 125134988828. Its totient is φ = 125134988826.

The previous prime is 125134988821. The next prime is 125134988851. The reversal of 125134988827 is 728889431521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125134988827 - 2³ = 125134988819 is a prime.

It is not a weakly prime, because it can be changed into another prime (125134988821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567494413 + 62567494414.

It is an arithmetic number, because the mean of its divisors is an integer number (62567494414).

Almost surely, 2^125134988827 is an apocalyptic number.

125134988827 is a deficient number, since it is larger than the sum of its proper divisors (1).

125134988827 is an equidigital number, since it uses as much as digits as its factorization.

125134988827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 58.

The spelling of 125134988827 in words is "one hundred twenty-five billion, one hundred thirty-four million, nine hundred eighty-eight thousand, eight hundred twenty-seven".