1234921067 has 2 divisors, whose sum is σ = 1234921068. Its totient is φ = 1234921066.

The previous prime is 1234921063. The next prime is 1234921081. The reversal of 1234921067 is 7601294321.

It is a weak prime.

It is an emirp because it is prime and its reverse (7601294321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234921067 - 2² = 1234921063 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234921063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617460533 + 617460534.

It is an arithmetic number, because the mean of its divisors is an integer number (617460534).

Almost surely, 2^1234921067 is an apocalyptic number.

1234921067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234921067 is an equidigital number, since it uses as much as digits as its factorization.

1234921067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1234921067 is about 35141.4437238996. The cubic root of 1234921067 is about 1072.8682664818.

The spelling of 1234921067 in words is "one billion, two hundred thirty-four million, nine hundred twenty-one thousand, sixty-seven".