1908125 has 20 divisors (see below), whose sum is σ = 2474208. Its totient is φ = 1470000.

The previous prime is 1908121. The next prime is 1908133. The reversal of 1908125 is 5218091.

It is a happy number.

It is not a de Polignac number, because 1908125 - 2² = 1908121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1908094 and 1908103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1908121) 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 19 ways as a sum of consecutive naturals, for example, 26840 + ... + 26910.

2^1908125 is an apocalyptic number.

It is an amenable number.

1908125 is a deficient number, since it is larger than the sum of its proper divisors (566083).

1908125 is an frugal number, since it uses more digits than its factorization.

1908125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1908125 is about 1381.3489783541. The cubic root of 1908125 is about 124.0325313537.

The spelling of 1908125 in words is "one million, nine hundred eight thousand, one hundred twenty-five".