1327231 has 2 divisors, whose sum is σ = 1327232. Its totient is φ = 1327230.

The previous prime is 1327217. The next prime is 1327237.

1327231 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1327231 - 2⁵ = 1327199 is a prime.

It is a super-2 number, since 2×1327231² = 3523084254722, which contains 22 as substring.

1327231 is a lucky number.

It is equal to p₁₀₁₉₆₂ and since 1327231 and 101962 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1327199 and 1327208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663615 + 663616.

It is an arithmetic number, because the mean of its divisors is an integer number (663616).

2^1327231 is an apocalyptic number.

1327231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327231 is an equidigital number, since it uses as much as digits as its factorization.

1327231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 1327231 is about 1152.0551202091. The cubic root of 1327231 is about 109.8960726399.

The spelling of 1327231 in words is "one million, three hundred twenty-seven thousand, two hundred thirty-one".