125141161 has 2 divisors, whose sum is σ = 125141162. Its totient is φ = 125141160.

The previous prime is 125141153. The next prime is 125141171. The reversal of 125141161 is 161141521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97515625 + 27625536 = 9875^2 + 5256^2 .

It is a cyclic number.

It is not a de Polignac number, because 125141161 - 2³ = 125141153 is a prime.

It is not a weakly prime, because it can be changed into another prime (125141111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62570580 + 62570581.

It is an arithmetic number, because the mean of its divisors is an integer number (62570581).

Almost surely, 2^125141161 is an apocalyptic number.

It is an amenable number.

125141161 is a deficient number, since it is larger than the sum of its proper divisors (1).

125141161 is an equidigital number, since it uses as much as digits as its factorization.

125141161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 22.

The square root of 125141161 is about 11186.6510180661. The cubic root of 125141161 is about 500.1881438616.

Adding to 125141161 its reverse (161141521), we get a palindrome (286282682).

The spelling of 125141161 in words is "one hundred twenty-five million, one hundred forty-one thousand, one hundred sixty-one".