125720954057068 has 24 divisors (see below), whose sum is σ = 225978314329152. Its totient is φ = 61156027908864.

The previous prime is 125720954057053. The next prime is 125720954057117. The reversal of 125720954057068 is 860750459027521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125720954056997 and 125720954057015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36668221 + ... + 39949972.

It is an arithmetic number, because the mean of its divisors is an integer number (9415763097048).

Almost surely, 2^{125720954057068} is an apocalyptic number.

It is an amenable number.

125720954057068 is a deficient number, since it is larger than the sum of its proper divisors (100257360272084).

125720954057068 is a wasteful number, since it uses less digits than its factorization.

125720954057068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76629321 (or 76629319 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 125720954057068 in words is "one hundred twenty-five trillion, seven hundred twenty billion, nine hundred fifty-four million, fifty-seven thousand, sixty-eight".