1320753193 has 2 divisors, whose sum is σ = 1320753194. Its totient is φ = 1320753192.

The previous prime is 1320753139. The next prime is 1320753197. The reversal of 1320753193 is 3913570231.

It is a happy number.

Together with previous prime (1320753139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752788969 + 567964224 = 27437^2 + 23832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320753193 - 2²⁵ = 1287198761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320753197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660376596 + 660376597.

It is an arithmetic number, because the mean of its divisors is an integer number (660376597).

Almost surely, 2^1320753193 is an apocalyptic number.

It is an amenable number.

1320753193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320753193 is an equidigital number, since it uses as much as digits as its factorization.

1320753193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 1320753193 is about 36342.1682484686. The cubic root of 1320753193 is about 1097.1699131335.

The spelling of 1320753193 in words is "one billion, three hundred twenty million, seven hundred fifty-three thousand, one hundred ninety-three".