1121726 has 4 divisors (see below), whose sum is σ = 1682592. Its totient is φ = 560862.

The previous prime is 1121723. The next prime is 1121737. The reversal of 1121726 is 6271211.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121698 and 1121707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280430 + ... + 280433.

It is an arithmetic number, because the mean of its divisors is an integer number (420648).

2^1121726 is an apocalyptic number.

1121726 is a deficient number, since it is larger than the sum of its proper divisors (560866).

1121726 is an equidigital number, since it uses as much as digits as its factorization.

1121726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560865.

The product of its digits is 168, while the sum is 20.

The square root of 1121726 is about 1059.1156688483. The cubic root of 1121726 is about 103.9032013521.

Adding to 1121726 its reverse (6271211), we get a palindrome (7392937).

The spelling of 1121726 in words is "one million, one hundred twenty-one thousand, seven hundred twenty-six".