125000126113 has 2 divisors, whose sum is σ = 125000126114. Its totient is φ = 125000126112.

The previous prime is 125000126099. The next prime is 125000126177. The reversal of 125000126113 is 311621000521.

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., 124307015184 + 693110929 = 352572^2 + 26327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125000126113 is a prime.

It is not a weakly prime, because it can be changed into another prime (125000126413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500063056 + 62500063057.

It is an arithmetic number, because the mean of its divisors is an integer number (62500063057).

Almost surely, 2^125000126113 is an apocalyptic number.

It is an amenable number.

125000126113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000126113 is an equidigital number, since it uses as much as digits as its factorization.

125000126113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 125000126113 its reverse (311621000521), we get a palindrome (436621126634).

The spelling of 125000126113 in words is "one hundred twenty-five billion, one hundred twenty-six thousand, one hundred thirteen".