125630801061 has 16 divisors (see below), whose sum is σ = 170306788800. Its totient is φ = 82358736768.

The previous prime is 125630801029. The next prime is 125630801077. The reversal of 125630801061 is 160108036521.

It is not a de Polignac number, because 125630801061 - 2⁵ = 125630801029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125630801011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434866 + ... + 663603.

It is an arithmetic number, because the mean of its divisors is an integer number (10644174300).

Almost surely, 2^125630801061 is an apocalyptic number.

It is an amenable number.

125630801061 is a deficient number, since it is larger than the sum of its proper divisors (44675987739).

125630801061 is a wasteful number, since it uses less digits than its factorization.

125630801061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099108.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 125630801061 its reverse (160108036521), we get a palindrome (285738837582).

The spelling of 125630801061 in words is "one hundred twenty-five billion, six hundred thirty million, eight hundred one thousand, sixty-one".