855125 has 8 divisors (see below), whose sum is σ = 1067352. Its totient is φ = 684000.

The previous prime is 855119. The next prime is 855131. The reversal of 855125 is 521558.

It is an interprime number because it is at equal distance from previous prime (855119) and next prime (855131).

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 850084 = 71^2 + 922^2 .

It is not a de Polignac number, because 855125 - 2⁶ = 855061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855094 and 855103.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 855125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3296 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (133419).

2⁸⁵⁵¹²⁵ is an apocalyptic number.

It is an amenable number.

855125 is a deficient number, since it is larger than the sum of its proper divisors (212227).

855125 is an equidigital number, since it uses as much as digits as its factorization.

855125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856 (or 6846 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 855125 is about 924.7296902339. The cubic root of 855125 is about 94.9168247058.

The spelling of 855125 in words is "eight hundred fifty-five thousand, one hundred twenty-five".