125162111 has 2 divisors, whose sum is σ = 125162112. Its totient is φ = 125162110.

The previous prime is 125162039. The next prime is 125162117. The reversal of 125162111 is 111261521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125162111 - 2¹⁰ = 125161087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125162117) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62581055 + 62581056.

It is an arithmetic number, because the mean of its divisors is an integer number (62581056).

Almost surely, 2^125162111 is an apocalyptic number.

125162111 is a deficient number, since it is larger than the sum of its proper divisors (1).

125162111 is an equidigital number, since it uses as much as digits as its factorization.

125162111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 125162111 is about 11187.5873627874. The cubic root of 125162111 is about 500.2160546273.

The spelling of 125162111 in words is "one hundred twenty-five million, one hundred sixty-two thousand, one hundred eleven".