1321034234239 has 2 divisors, whose sum is σ = 1321034234240. Its totient is φ = 1321034234238.

The previous prime is 1321034234197. The next prime is 1321034234251. The reversal of 1321034234239 is 9324324301231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321034234239 - 2¹¹ = 1321034232191 is a prime.

It is a super-2 number, since 2×1321034234239² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321034234198 and 1321034234207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321034234539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660517117119 + 660517117120.

It is an arithmetic number, because the mean of its divisors is an integer number (660517117120).

Almost surely, 2^{1321034234239} is an apocalyptic number.

1321034234239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321034234239 is an equidigital number, since it uses as much as digits as its factorization.

1321034234239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 1321034234239 in words is "one trillion, three hundred twenty-one billion, thirty-four million, two hundred thirty-four thousand, two hundred thirty-nine".