1122723 has 24 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 630000.

The previous prime is 1122721. The next prime is 1122739. The reversal of 1122723 is 3272211.

It is not a de Polignac number, because 1122723 - 2¹ = 1122721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122696 and 1122705.

It is not an unprimeable number, because it can be changed into a prime (1122721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4348 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^1122723 is an apocalyptic number.

1122723 is a deficient number, since it is larger than the sum of its proper divisors (764253).

1122723 is a wasteful number, since it uses less digits than its factorization.

1122723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 332 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 1122723 is about 1059.5862400013. The cubic root of 1122723 is about 103.9339755982.

Adding to 1122723 its reverse (3272211), we get a palindrome (4394934).

The spelling of 1122723 in words is "one million, one hundred twenty-two thousand, seven hundred twenty-three".