1023073 has 4 divisors (see below), whose sum is σ = 1048068. Its totient is φ = 998080.

The previous prime is 1023067. The next prime is 1023079. The reversal of 1023073 is 3703201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703201 = 89 ⋅41609.

It is an interprime number because it is at equal distance from previous prime (1023067) and next prime (1023079).

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 677329 = 588^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023073 - 2⁵ = 1023041 is a prime.

It is an Ulam number.

It is a Duffinian number.

1023073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1023079) 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 3 ways as a sum of consecutive naturals, for example, 12436 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (262017).

2^1023073 is an apocalyptic number.

It is an amenable number.

1023073 is a deficient number, since it is larger than the sum of its proper divisors (24995).

1023073 is an equidigital number, since it uses as much as digits as its factorization.

1023073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24994.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 1023073 is about 1011.4707113901. The cubic root of 1023073 is about 100.7632595273.

Adding to 1023073 its reverse (3703201), we get a palindrome (4726274).

The spelling of 1023073 in words is "one million, twenty-three thousand, seventy-three".