1023726 has 16 divisors (see below), whose sum is σ = 2233728. Its totient is φ = 310200.

The previous prime is 1023721. The next prime is 1023731. The reversal of 1023726 is 6273201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023721) and next prime (1023731).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7690 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (139608).

2^1023726 is an apocalyptic number.

1023726 is an abundant number, since it is smaller than the sum of its proper divisors (1210002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023726 is a wasteful number, since it uses less digits than its factorization.

1023726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527.

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

The square root of 1023726 is about 1011.7934571838. The cubic root of 1023726 is about 100.7846931280.

Adding to 1023726 its reverse (6273201), we get a palindrome (7296927).

It can be divided in two parts, 102372 and 6, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 1023726 in words is "one million, twenty-three thousand, seven hundred twenty-six".