1885130 has 32 divisors (see below), whose sum is σ = 3873744. Its totient is φ = 654336.

The previous prime is 1885069. The next prime is 1885151. The reversal of 1885130 is 315881.

It is a Cunningham number, because it is equal to 1373²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 279841 + 1605289 = 529^2 + 1267^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1885130.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1784 + ... + 2636.

2^1885130 is an apocalyptic number.

1885130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1885130 is an abundant number, since it is smaller than the sum of its proper divisors (1988614).

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

1885130 is a wasteful number, since it uses less digits than its factorization.

1885130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1885130 is about 1373.0003641660. Note that the first 3 decimals coincide. The cubic root of 1885130 is about 123.5322736876.

It can be divided in two parts, 18851 and 30, that added together give a palindrome (18881).

The spelling of 1885130 in words is "one million, eight hundred eighty-five thousand, one hundred thirty".