1895120 has 20 divisors (see below), whose sum is σ = 4406340. Its totient is φ = 758016.

The previous prime is 1895119. The next prime is 1895129. The reversal of 1895120 is 215981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 1607824 = 536^2 + 1268^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1895120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11765 + ... + 11924.

It is an arithmetic number, because the mean of its divisors is an integer number (220317).

2^1895120 is an apocalyptic number.

1895120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1895120 is an abundant number, since it is smaller than the sum of its proper divisors (2511220).

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

1895120 is a wasteful number, since it uses less digits than its factorization.

1895120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23702 (or 23696 counting only the distinct ones).

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

The square root of 1895120 is about 1376.6335750664. The cubic root of 1895120 is about 123.7501037308.

The spelling of 1895120 in words is "one million, eight hundred ninety-five thousand, one hundred twenty".