125256163 has 8 divisors (see below), whose sum is σ = 126963200. Its totient is φ = 123560640.

The previous prime is 125256143. The next prime is 125256181. The reversal of 125256163 is 361652521.

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

It is a cyclic number.

It is not a de Polignac number, because 125256163 - 2⁹ = 125255651 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125256143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20263 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (15870400).

Almost surely, 2^125256163 is an apocalyptic number.

125256163 is a deficient number, since it is larger than the sum of its proper divisors (1707037).

125256163 is a wasteful number, since it uses less digits than its factorization.

125256163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757.

The product of its digits is 10800, while the sum is 31.

The square root of 125256163 is about 11191.7899819466. The cubic root of 125256163 is about 500.3413176182.

The spelling of 125256163 in words is "one hundred twenty-five million, two hundred fifty-six thousand, one hundred sixty-three".