1611126 has 48 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 477360.

The previous prime is 1611097. The next prime is 1611131. The reversal of 1611126 is 6211161.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1611099 and 1611108.

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 23 ways as a sum of consecutive naturals, for example, 15591 + ... + 15693.

It is an arithmetic number, because the mean of its divisors is an integer number (81120).

2^1611126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946880).

1611126 is an abundant number, since it is smaller than the sum of its proper divisors (2282634).

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

1611126 is a wasteful number, since it uses less digits than its factorization.

1611126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 198 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1611126 is about 1269.3013826511. The cubic root of 1611126 is about 117.2311887237.

Adding to 1611126 its reverse (6211161), we get a palindrome (7822287).

The spelling of 1611126 in words is "one million, six hundred eleven thousand, one hundred twenty-six".