125201530117 has 2 divisors, whose sum is σ = 125201530118. Its totient is φ = 125201530116.

The previous prime is 125201530081. The next prime is 125201530163. The reversal of 125201530117 is 711035102521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69907888801 + 55293641316 = 264401^2 + 235146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125201530117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125201500117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62600765058 + 62600765059.

It is an arithmetic number, because the mean of its divisors is an integer number (62600765059).

Almost surely, 2^125201530117 is an apocalyptic number.

It is an amenable number.

125201530117 is a deficient number, since it is larger than the sum of its proper divisors (1).

125201530117 is an equidigital number, since it uses as much as digits as its factorization.

125201530117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 125201530117 its reverse (711035102521), we get a palindrome (836236632638).

The spelling of 125201530117 in words is "one hundred twenty-five billion, two hundred one million, five hundred thirty thousand, one hundred seventeen".