125171061 has 8 divisors (see below), whose sum is σ = 168454944. Its totient is φ = 82667280.

The previous prime is 125171041. The next prime is 125171063. The reversal of 125171061 is 160171521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125171061 - 2⁷ = 125170933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125171063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194650 + ... + 195291.

It is an arithmetic number, because the mean of its divisors is an integer number (21056868).

Almost surely, 2^125171061 is an apocalyptic number.

It is an amenable number.

125171061 is a deficient number, since it is larger than the sum of its proper divisors (43283883).

125171061 is a wasteful number, since it uses less digits than its factorization.

125171061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390051.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 125171061 is about 11187.9873525134. The cubic root of 125171061 is about 500.2279773702.

The spelling of 125171061 in words is "one hundred twenty-five million, one hundred seventy-one thousand, sixty-one".