1856125 has 16 divisors (see below), whose sum is σ = 2396160. Its totient is φ = 1434000.

The previous prime is 1856119. The next prime is 1856137. The reversal of 1856125 is 5216581.

It is not a de Polignac number, because 1856125 - 2⁹ = 1855613 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1856093 and 1856102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2^1856125 is an apocalyptic number.

It is an amenable number.

1856125 is a deficient number, since it is larger than the sum of its proper divisors (540035).

1856125 is an equidigital number, since it uses as much as digits as its factorization.

1856125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 515 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 1856125 is about 1362.3967850814. The cubic root of 1856125 is about 122.8954318707.

The spelling of 1856125 in words is "one million, eight hundred fifty-six thousand, one hundred twenty-five".