1026723 has 4 divisors (see below), whose sum is σ = 1368968. Its totient is φ = 684480.

The previous prime is 1026709. The next prime is 1026733. The reversal of 1026723 is 3276201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3276201 = 3 ⋅1092067.

It is not a de Polignac number, because 1026723 - 2¹⁶ = 961187 is a prime.

It is a D-number.

It is a Duffinian number.

1026723 is a lucky number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1026723.

It is not an unprimeable number, because it can be changed into a prime (1026733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171118 + ... + 171123.

It is an arithmetic number, because the mean of its divisors is an integer number (342242).

2^1026723 is an apocalyptic number.

1026723 is a deficient number, since it is larger than the sum of its proper divisors (342245).

1026723 is an equidigital number, since it uses as much as digits as its factorization.

1026723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342244.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1026723 is about 1013.2734083158. The cubic root of 1026723 is about 100.8829477545.

The spelling of 1026723 in words is "one million, twenty-six thousand, seven hundred twenty-three".