125103533461 has 2 divisors, whose sum is σ = 125103533462. Its totient is φ = 125103533460.

The previous prime is 125103533419. The next prime is 125103533549. The reversal of 125103533461 is 164335301521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115182178225 + 9921355236 = 339385^2 + 99606^2 .

It is an emirp because it is prime and its reverse (164335301521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125103533461 - 2³¹ = 122956049813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125103533761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62551766730 + 62551766731.

It is an arithmetic number, because the mean of its divisors is an integer number (62551766731).

Almost surely, 2^125103533461 is an apocalyptic number.

It is an amenable number.

125103533461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125103533461 is an equidigital number, since it uses as much as digits as its factorization.

125103533461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 125103533461 its reverse (164335301521), we get a palindrome (289438834982).

The spelling of 125103533461 in words is "one hundred twenty-five billion, one hundred three million, five hundred thirty-three thousand, four hundred sixty-one".