125401660603 has 2 divisors, whose sum is σ = 125401660604. Its totient is φ = 125401660602.

The previous prime is 125401660537. The next prime is 125401660639. The reversal of 125401660603 is 306066104521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125401660603 is a prime.

It is not a weakly prime, because it can be changed into another prime (125401660663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62700830301 + 62700830302.

It is an arithmetic number, because the mean of its divisors is an integer number (62700830302).

Almost surely, 2^125401660603 is an apocalyptic number.

125401660603 is a deficient number, since it is larger than the sum of its proper divisors (1).

125401660603 is an equidigital number, since it uses as much as digits as its factorization.

125401660603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 125401660603 in words is "one hundred twenty-five billion, four hundred one million, six hundred sixty thousand, six hundred three".