1012743 has 10 divisors (see below), whose sum is σ = 1512984. Its totient is φ = 675108.

The previous prime is 1012733. The next prime is 1012751. The reversal of 1012743 is 3472101.

It is not a de Polignac number, because 1012743 - 2⁶ = 1012679 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012703) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 6171 + ... + 6332.

2^1012743 is an apocalyptic number.

1012743 is a deficient number, since it is larger than the sum of its proper divisors (500241).

1012743 is an equidigital number, since it uses as much as digits as its factorization.

1012743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515 (or 12506 counting only the distinct ones).

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

The square root of 1012743 is about 1006.3513303017. The cubic root of 1012743 is about 100.4229750652.

Adding to 1012743 its reverse (3472101), we get a palindrome (4484844).

The spelling of 1012743 in words is "one million, twelve thousand, seven hundred forty-three".