1609130 has 16 divisors (see below), whose sum is σ = 2975400. Its totient is φ = 626112.

The previous prime is 1609109. The next prime is 1609141. The reversal of 1609130 is 319061.

It can be written as a sum of positive squares in 4 ways, for example, as 1164241 + 444889 = 1079^2 + 667^2 .

It is a Curzon number.

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, 1805 + ... + 2544.

2^1609130 is an apocalyptic number.

1609130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1609130 is a deficient number, since it is larger than the sum of its proper divisors (1366270).

1609130 is a wasteful number, since it uses less digits than its factorization.

1609130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1609130 is about 1268.5148796920. The cubic root of 1609130 is about 117.1827567265.

The spelling of 1609130 in words is "one million, six hundred nine thousand, one hundred thirty".