125731164 has 48 divisors (see below), whose sum is σ = 326144000. Its totient is φ = 37437120.

The previous prime is 125731121. The next prime is 125731169. The reversal of 125731164 is 461137521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125731169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8164 + ... + 17835.

Almost surely, 2^125731164 is an apocalyptic number.

It is an amenable number.

125731164 is an abundant number, since it is smaller than the sum of its proper divisors (200412836).

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

125731164 is a wasteful number, since it uses less digits than its factorization.

125731164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26050 (or 26048 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 125731164 is about 11212.9908588209. The cubic root of 125731164 is about 500.9729906834.

Adding to 125731164 its reverse (461137521), we get a palindrome (586868685).

The spelling of 125731164 in words is "one hundred twenty-five million, seven hundred thirty-one thousand, one hundred sixty-four".