125210500164 has 96 divisors (see below), whose sum is σ = 337510163200. Its totient is φ = 40608705888.

The previous prime is 125210500133. The next prime is 125210500229. The reversal of 125210500164 is 461005012521.

125210500164 is a `hidden beast` number, since 125 + 21 + 0 + 500 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130257 + ... + 517095.

Almost surely, 2^125210500164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125210500164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168755081600).

125210500164 is an abundant number, since it is smaller than the sum of its proper divisors (212299663036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125210500164 is an equidigital number, since it uses as much as digits as its factorization.

125210500164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386901 (or 386881 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 125210500164 its reverse (461005012521), we get a palindrome (586215512685).

The spelling of 125210500164 in words is "one hundred twenty-five billion, two hundred ten million, five hundred thousand, one hundred sixty-four".