1611125 has 8 divisors (see below), whose sum is σ = 2010840. Its totient is φ = 1288800.

The previous prime is 1611097. The next prime is 1611131. The reversal of 1611125 is 5211161.

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 1582564 = 169^2 + 1258^2 .

It is not a de Polignac number, because 1611125 - 2¹⁰ = 1610101 is a prime.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6320 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (251355).

2^1611125 is an apocalyptic number.

It is an amenable number.

1611125 is a deficient number, since it is larger than the sum of its proper divisors (399715).

1611125 is an equidigital number, since it uses as much as digits as its factorization.

1611125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904 (or 12894 counting only the distinct ones).

The product of its digits is 60, while the sum is 17.

The square root of 1611125 is about 1269.3009887336. The cubic root of 1611125 is about 117.2311644692.

Adding to 1611125 its reverse (5211161), we get a palindrome (6822286).

The spelling of 1611125 in words is "one million, six hundred eleven thousand, one hundred twenty-five".