125620620164 has 48 divisors (see below), whose sum is σ = 237430589760. Its totient is φ = 57811501440.

The previous prime is 125620620161. The next prime is 125620620179. The reversal of 125620620164 is 461026026521.

It is not an unprimeable number, because it can be changed into a prime (125620620161) 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 in 15 ways as a sum of consecutive naturals, for example, 30348407 + ... + 30352545.

It is an arithmetic number, because the mean of its divisors is an integer number (4946470620).

Almost surely, 2^125620620164 is an apocalyptic number.

It is an amenable number.

125620620164 is a deficient number, since it is larger than the sum of its proper divisors (111809969596).

125620620164 is a wasteful number, since it uses less digits than its factorization.

125620620164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 125620620164 its reverse (461026026521), we get a palindrome (586646646685).

The spelling of 125620620164 in words is "one hundred twenty-five billion, six hundred twenty million, six hundred twenty thousand, one hundred sixty-four".