1140723 has 10 divisors (see below), whose sum is σ = 1704164. Its totient is φ = 760428.

The previous prime is 1140721. The next prime is 1140749. The reversal of 1140723 is 3270411.

It is not a de Polignac number, because 1140723 - 2¹ = 1140721 is a prime.

It is a super-3 number, since 3×1140723³ = 4453093861533339201, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140696 and 1140705.

It is not an unprimeable number, because it can be changed into a prime (1140721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6961 + ... + 7122.

2^1140723 is an apocalyptic number.

1140723 is a deficient number, since it is larger than the sum of its proper divisors (563441).

1140723 is an equidigital number, since it uses as much as digits as its factorization.

1140723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095 (or 14086 counting only the distinct ones).

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

The square root of 1140723 is about 1068.0463473090. The cubic root of 1140723 is about 104.4864721544.

The spelling of 1140723 in words is "one million, one hundred forty thousand, seven hundred twenty-three".