125722164 has 48 divisors (see below), whose sum is σ = 311091200. Its totient is φ = 39406176.

The previous prime is 125722151. The next prime is 125722169. The reversal of 125722164 is 461227521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125722169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29709 + ... + 33675.

Almost surely, 2^125722164 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 125722164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155545600).

125722164 is an abundant number, since it is smaller than the sum of its proper divisors (185369036).

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

125722164 is a wasteful number, since it uses less digits than its factorization.

125722164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132 (or 4130 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 125722164 is about 11212.5895314151. The cubic root of 125722164 is about 500.9610369658.

Adding to 125722164 its reverse (461227521), we get a palindrome (586949685).

The spelling of 125722164 in words is "one hundred twenty-five million, seven hundred twenty-two thousand, one hundred sixty-four".