125702163 has 12 divisors (see below), whose sum is σ = 184128048. Its totient is φ = 82620720.

The previous prime is 125702149. The next prime is 125702183. The reversal of 125702163 is 361207521.

It is a happy number.

125702163 is a `hidden beast` number, since 12 + 570 + 21 + 63 = 666.

It is not a de Polignac number, because 125702163 - 2²⁴ = 108924947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125702123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97720 + ... + 98997.

It is an arithmetic number, because the mean of its divisors is an integer number (15344004).

Almost surely, 2^125702163 is an apocalyptic number.

125702163 is a deficient number, since it is larger than the sum of its proper divisors (58425885).

125702163 is a wasteful number, since it uses less digits than its factorization.

125702163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196794 (or 196791 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 125702163 is about 11211.6975967068. The cubic root of 125702163 is about 500.9344697778.

Adding to 125702163 its reverse (361207521), we get a palindrome (486909684).

The spelling of 125702163 in words is "one hundred twenty-five million, seven hundred two thousand, one hundred sixty-three".