1066231 has 2 divisors, whose sum is σ = 1066232. Its totient is φ = 1066230.

The previous prime is 1066217. The next prime is 1066237. The reversal of 1066231 is 1326601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066231 - 2¹⁵ = 1033463 is a prime.

It is a super-2 number, since 2×1066231² = 2273697090722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066199 and 1066208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533115 + 533116.

It is an arithmetic number, because the mean of its divisors is an integer number (533116).

2^1066231 is an apocalyptic number.

1066231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066231 is an equidigital number, since it uses as much as digits as its factorization.

1066231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1066231 is about 1032.5846212297. The cubic root of 1066231 is about 102.1606784467.

The spelling of 1066231 in words is "one million, sixty-six thousand, two hundred thirty-one".