125140170 has 32 divisors (see below), whose sum is σ = 300905280. Its totient is φ = 33307520.

The previous prime is 125140163. The next prime is 125140181. The reversal of 125140170 is 71041521.

It is a happy number.

It is an unprimeable number.

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, 13405 + ... + 20735.

It is an arithmetic number, because the mean of its divisors is an integer number (9403290).

Almost surely, 2^125140170 is an apocalyptic number.

125140170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125140170 is an abundant number, since it is smaller than the sum of its proper divisors (175765110).

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

125140170 is a wasteful number, since it uses less digits than its factorization.

125140170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 125140170 is about 11186.6067241143. The cubic root of 125140170 is about 500.1868235186.

Adding to 125140170 its reverse (71041521), we get a palindrome (196181691).

The spelling of 125140170 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred seventy".