125243032164 has 12 divisors (see below), whose sum is σ = 292233741744. Its totient is φ = 41747677384.

The previous prime is 125243032157. The next prime is 125243032169. The reversal of 125243032164 is 461230342521.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (125243032169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218459662 + ... + 5218459685.

It is an arithmetic number, because the mean of its divisors is an integer number (24352811812).

Almost surely, 2^125243032164 is an apocalyptic number.

It is an amenable number.

125243032164 is an abundant number, since it is smaller than the sum of its proper divisors (166990709580).

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

125243032164 is a wasteful number, since it uses less digits than its factorization.

125243032164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436919354 (or 10436919352 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 125243032164 its reverse (461230342521), we get a palindrome (586473374685).

The spelling of 125243032164 in words is "one hundred twenty-five billion, two hundred forty-three million, thirty-two thousand, one hundred sixty-four".