125680612 has 6 divisors (see below), whose sum is σ = 219941078. Its totient is φ = 62840304.

The previous prime is 125680591. The next prime is 125680619. The reversal of 125680612 is 216086521.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 47251876 = 8856^2 + 6874^2 .

It is not an unprimeable number, because it can be changed into a prime (125680619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15710073 + ... + 15710080.

Almost surely, 2^125680612 is an apocalyptic number.

It is an amenable number.

125680612 is a deficient number, since it is larger than the sum of its proper divisors (94260466).

125680612 is a wasteful number, since it uses less digits than its factorization.

125680612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31420157 (or 31420155 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 125680612 is about 11210.7364610894. The cubic root of 125680612 is about 500.9058405813.

The spelling of 125680612 in words is "one hundred twenty-five million, six hundred eighty thousand, six hundred twelve".