125868858 has 16 divisors (see below), whose sum is σ = 251924256. Its totient is φ = 41925200.

The previous prime is 125868851. The next prime is 125868877. The reversal of 125868858 is 858868521.

It is a self number, because there is not a number n which added to its sum of digits gives 125868858.

It is not an unprimeable number, because it can be changed into a prime (125868851) 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 7 ways as a sum of consecutive naturals, for example, 1933 + ... + 15983.

It is an arithmetic number, because the mean of its divisors is an integer number (15745266).

Almost surely, 2^125868858 is an apocalyptic number.

125868858 is an abundant number, since it is smaller than the sum of its proper divisors (126055398).

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

125868858 is a wasteful number, since it uses less digits than its factorization.

125868858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15549.

The product of its digits is 1228800, while the sum is 51.

The square root of 125868858 is about 11219.1291105861. The cubic root of 125868858 is about 501.1558035111.

The spelling of 125868858 in words is "one hundred twenty-five million, eight hundred sixty-eight thousand, eight hundred fifty-eight".