125311127 has 2 divisors, whose sum is σ = 125311128. Its totient is φ = 125311126.

The previous prime is 125311111. The next prime is 125311157. The reversal of 125311127 is 721113521.

It is a weak prime.

It is an emirp because it is prime and its reverse (721113521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125311127 - 2⁴ = 125311111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125311157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62655563 + 62655564.

It is an arithmetic number, because the mean of its divisors is an integer number (62655564).

Almost surely, 2^125311127 is an apocalyptic number.

125311127 is a deficient number, since it is larger than the sum of its proper divisors (1).

125311127 is an equidigital number, since it uses as much as digits as its factorization.

125311127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 125311127 is about 11194.2452626338. The cubic root of 125311127 is about 500.4144922973.

Adding to 125311127 its reverse (721113521), we get a palindrome (846424648).

The spelling of 125311127 in words is "one hundred twenty-five million, three hundred eleven thousand, one hundred twenty-seven".