125012540027 has 2 divisors, whose sum is σ = 125012540028. Its totient is φ = 125012540026.

The previous prime is 125012539999. The next prime is 125012540041. The reversal of 125012540027 is 720045210521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125012540027 - 2⁶ = 125012539963 is a prime.

It is not a weakly prime, because it can be changed into another prime (125012540057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506270013 + 62506270014.

It is an arithmetic number, because the mean of its divisors is an integer number (62506270014).

Almost surely, 2^125012540027 is an apocalyptic number.

125012540027 is a deficient number, since it is larger than the sum of its proper divisors (1).

125012540027 is an equidigital number, since it uses as much as digits as its factorization.

125012540027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

Adding to 125012540027 its reverse (720045210521), we get a palindrome (845057750548).

The spelling of 125012540027 in words is "one hundred twenty-five billion, twelve million, five hundred forty thousand, twenty-seven".