1026231 has 4 divisors (see below), whose sum is σ = 1368312. Its totient is φ = 684152.

The previous prime is 1026229. The next prime is 1026251. The reversal of 1026231 is 1326201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1026231 - 2¹ = 1026229 is a prime.

It is a super-2 number, since 2×1026231² = 2106300130722, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1026231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026251) 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 3 ways as a sum of consecutive naturals, for example, 171036 + ... + 171041.

It is an arithmetic number, because the mean of its divisors is an integer number (342078).

2^1026231 is an apocalyptic number.

1026231 is a deficient number, since it is larger than the sum of its proper divisors (342081).

1026231 is an equidigital number, since it uses as much as digits as its factorization.

1026231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1026231 is about 1013.0306017095. The cubic root of 1026231 is about 100.8668309958.

The spelling of 1026231 in words is "one million, twenty-six thousand, two hundred thirty-one".