1067438243 has 2 divisors, whose sum is σ = 1067438244. Its totient is φ = 1067438242.

The previous prime is 1067438237. The next prime is 1067438287. The reversal of 1067438243 is 3428347601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1067438243 is a prime.

It is a super-2 number, since 2×1067438243² = 2278848805237854098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067438197 and 1067438206.

It is not a weakly prime, because it can be changed into another prime (1067438213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533719121 + 533719122.

It is an arithmetic number, because the mean of its divisors is an integer number (533719122).

Almost surely, 2^1067438243 is an apocalyptic number.

1067438243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067438243 is an equidigital number, since it uses as much as digits as its factorization.

1067438243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1067438243 is about 32671.6734037300. The cubic root of 1067438243 is about 1021.9922114058.

The spelling of 1067438243 in words is "one billion, sixty-seven million, four hundred thirty-eight thousand, two hundred forty-three".