125020177 has 2 divisors, whose sum is σ = 125020178. Its totient is φ = 125020176.

The previous prime is 125020127. The next prime is 125020187. The reversal of 125020177 is 771020521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118461456 + 6558721 = 10884^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 125020177 - 2²³ = 116631569 is a prime.

It is a super-2 number, since 2×125020177² = 31260089314222658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125020127) 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, 62510088 + 62510089.

It is an arithmetic number, because the mean of its divisors is an integer number (62510089).

Almost surely, 2^125020177 is an apocalyptic number.

It is an amenable number.

125020177 is a deficient number, since it is larger than the sum of its proper divisors (1).

125020177 is an equidigital number, since it uses as much as digits as its factorization.

125020177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 125020177 is about 11181.2421939604. The cubic root of 125020177 is about 500.0269012193.

Adding to 125020177 its reverse (771020521), we get a palindrome (896040698).

The spelling of 125020177 in words is "one hundred twenty-five million, twenty thousand, one hundred seventy-seven".