125620471756534 has 8 divisors (see below), whose sum is σ = 189212577791688. Its totient is φ = 62549612492640.

The previous prime is 125620471756531. The next prime is 125620471756543. The reversal of 125620471756534 is 435657174026521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125620471756531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130311692212 + ... + 130311693175.

It is an arithmetic number, because the mean of its divisors is an integer number (23651572223961).

Almost surely, 2^{125620471756534} is an apocalyptic number.

125620471756534 is a deficient number, since it is larger than the sum of its proper divisors (63592106035154).

125620471756534 is a wasteful number, since it uses less digits than its factorization.

125620471756534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260623385630.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 125620471756534 in words is "one hundred twenty-five trillion, six hundred twenty billion, four hundred seventy-one million, seven hundred fifty-six thousand, five hundred thirty-four".