125715858 has 16 divisors (see below), whose sum is σ = 253268640. Its totient is φ = 41599136.

The previous prime is 125715857. The next prime is 125715859. The reversal of 125715858 is 858517521.

It is an interprime number because it is at equal distance from previous prime (125715857) and next prime (125715859).

It is not an unprimeable number, because it can be changed into a prime (125715851) 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, 75648 + ... + 77291.

It is an arithmetic number, because the mean of its divisors is an integer number (15829290).

Almost surely, 2^125715858 is an apocalyptic number.

125715858 is an abundant number, since it is smaller than the sum of its proper divisors (127552782).

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

125715858 is a wasteful number, since it uses less digits than its factorization.

125715858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153081.

The product of its digits is 112000, while the sum is 42.

The square root of 125715858 is about 11212.3083261209. The cubic root of 125715858 is about 500.9526610544.

The spelling of 125715858 in words is "one hundred twenty-five million, seven hundred fifteen thousand, eight hundred fifty-eight".