125118163 has 2 divisors, whose sum is σ = 125118164. Its totient is φ = 125118162.

The previous prime is 125118121. The next prime is 125118187. The reversal of 125118163 is 361811521.

It is a strong prime.

It is an emirp because it is prime and its reverse (361811521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125118163 - 2²¹ = 123021011 is a prime.

It is not a weakly prime, because it can be changed into another prime (125118193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62559081 + 62559082.

It is an arithmetic number, because the mean of its divisors is an integer number (62559082).

Almost surely, 2^125118163 is an apocalyptic number.

125118163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125118163 is an equidigital number, since it uses as much as digits as its factorization.

125118163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 125118163 is about 11185.6230492539. The cubic root of 125118163 is about 500.1575010483.

Adding to 125118163 its reverse (361811521), we get a palindrome (486929684).

The spelling of 125118163 in words is "one hundred twenty-five million, one hundred eighteen thousand, one hundred sixty-three".