1321255454327 has 2 divisors, whose sum is σ = 1321255454328. Its totient is φ = 1321255454326.

The previous prime is 1321255454263. The next prime is 1321255454371. The reversal of 1321255454327 is 7234545521231.

It is a happy number.

It is an a-pointer prime, because the next prime (1321255454371) can be obtained adding 1321255454327 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321255454327 - 2⁶ = 1321255454263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321255454627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660627727163 + 660627727164.

It is an arithmetic number, because the mean of its divisors is an integer number (660627727164).

Almost surely, 2^{1321255454327} is an apocalyptic number.

1321255454327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321255454327 is an equidigital number, since it uses as much as digits as its factorization.

1321255454327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

The spelling of 1321255454327 in words is "one trillion, three hundred twenty-one billion, two hundred fifty-five million, four hundred fifty-four thousand, three hundred twenty-seven".