125641858 has 8 divisors (see below), whose sum is σ = 188511120. Its totient is φ = 62804820.

The previous prime is 125641819. The next prime is 125641871. The reversal of 125641858 is 858146521.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125641858.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8493 + ... + 17983.

It is an arithmetic number, because the mean of its divisors is an integer number (23563890).

Almost surely, 2^125641858 is an apocalyptic number.

125641858 is a deficient number, since it is larger than the sum of its proper divisors (62869262).

125641858 is an equidigital number, since it uses as much as digits as its factorization.

125641858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112.

The product of its digits is 76800, while the sum is 40.

The square root of 125641858 is about 11209.0078954384. The cubic root of 125641858 is about 500.8543500073.

The spelling of 125641858 in words is "one hundred twenty-five million, six hundred forty-one thousand, eight hundred fifty-eight".