125101 has 2 divisors, whose sum is σ = 125102. Its totient is φ = 125100.

The previous prime is 125093. The next prime is 125107. The reversal of 125101 is 101521.

It is a happy number.

125101 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 2601 = 350^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 125101 - 2³ = 125093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62550 + 62551.

It is an arithmetic number, because the mean of its divisors is an integer number (62551).

2¹²⁵¹⁰¹ is an apocalyptic number.

It is an amenable number.

125101 is a deficient number, since it is larger than the sum of its proper divisors (1).

125101 is an equidigital number, since it uses as much as digits as its factorization.

125101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 125101 is about 353.6961973219. The cubic root of 125101 is about 50.0134630413.

Adding to 125101 its reverse (101521), we get a palindrome (226622).

The spelling of 125101 in words is "one hundred twenty-five thousand, one hundred one".