125140163 has 2 divisors, whose sum is σ = 125140164. Its totient is φ = 125140162.

The previous prime is 125140129. The next prime is 125140181. The reversal of 125140163 is 361041521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125140163 - 2¹⁰ = 125139139 is a prime.

It is not a weakly prime, because it can be changed into another prime (125140123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62570081 + 62570082.

It is an arithmetic number, because the mean of its divisors is an integer number (62570082).

Almost surely, 2^125140163 is an apocalyptic number.

125140163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125140163 is an equidigital number, since it uses as much as digits as its factorization.

125140163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 125140163 is about 11186.6064112402. The cubic root of 125140163 is about 500.1868141922.

Adding to 125140163 its reverse (361041521), we get a palindrome (486181684).

It can be divided in two parts, 1251 and 40163, that added together give a palindrome (41414).

The spelling of 125140163 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred sixty-three".