1068231 has 4 divisors (see below), whose sum is σ = 1424312. Its totient is φ = 712152.

The previous prime is 1068217. The next prime is 1068233. The reversal of 1068231 is 1328601.

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

It is not a de Polignac number, because 1068231 - 2⁷ = 1068103 is a prime.

It is a super-2 number, since 2×1068231² = 2282234938722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1068231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1068198 and 1068207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068233) 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, 178036 + ... + 178041.

It is an arithmetic number, because the mean of its divisors is an integer number (356078).

2^1068231 is an apocalyptic number.

1068231 is a deficient number, since it is larger than the sum of its proper divisors (356081).

1068231 is an equidigital number, since it uses as much as digits as its factorization.

1068231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356080.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1068231 is about 1033.5526111428. The cubic root of 1068231 is about 102.2245150627.

The spelling of 1068231 in words is "one million, sixty-eight thousand, two hundred thirty-one".