321121067 has 2 divisors, whose sum is σ = 321121068. Its totient is φ = 321121066.

The previous prime is 321120991. The next prime is 321121091. The reversal of 321121067 is 760121123.

It is a strong prime.

It is an emirp because it is prime and its reverse (760121123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321121067 - 2¹⁴ = 321104683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (321123067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160560533 + 160560534.

It is an arithmetic number, because the mean of its divisors is an integer number (160560534).

Almost surely, 2^321121067 is an apocalyptic number.

321121067 is a deficient number, since it is larger than the sum of its proper divisors (1).

321121067 is an equidigital number, since it uses as much as digits as its factorization.

321121067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 321121067 is about 17919.8511991590. The cubic root of 321121067 is about 684.7881967222.

The spelling of 321121067 in words is "three hundred twenty-one million, one hundred twenty-one thousand, sixty-seven".