1242067 has 2 divisors, whose sum is σ = 1242068. Its totient is φ = 1242066.

The previous prime is 1242061. The next prime is 1242089. The reversal of 1242067 is 7602421.

It is an a-pointer prime, because the next prime (1242089) can be obtained adding 1242067 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (7602421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1242067 - 2⁷ = 1241939 is a prime.

1242067 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1242061) 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 as a sum of consecutive naturals, namely, 621033 + 621034.

It is an arithmetic number, because the mean of its divisors is an integer number (621034).

2^1242067 is an apocalyptic number.

1242067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242067 is an equidigital number, since it uses as much as digits as its factorization.

1242067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1242067 is about 1114.4805965112. The cubic root of 1242067 is about 107.4933689798.

Adding to 1242067 its reverse (7602421), we get a palindrome (8844488).

The spelling of 1242067 in words is "one million, two hundred forty-two thousand, sixty-seven".