1811126 has 8 divisors (see below), whose sum is σ = 2722464. Its totient is φ = 903640.

The previous prime is 1811119. The next prime is 1811141. The reversal of 1811126 is 6211181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1811098 and 1811107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (340308).

2^1811126 is an apocalyptic number.

1811126 is a deficient number, since it is larger than the sum of its proper divisors (911338).

1811126 is a wasteful number, since it uses less digits than its factorization.

1811126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its digits is 96, while the sum is 20.

The square root of 1811126 is about 1345.7808142487. The cubic root of 1811126 is about 121.8941570587.

The spelling of 1811126 in words is "one million, eight hundred eleven thousand, one hundred twenty-six".