1323120102949 has 2 divisors, whose sum is σ = 1323120102950. Its totient is φ = 1323120102948.

The previous prime is 1323120102937. The next prime is 1323120103051. The reversal of 1323120102949 is 9492010213231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758545193025 + 564574909924 = 870945^2 + 751382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323120102949 - 2¹¹ = 1323120100901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323120102449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661560051474 + 661560051475.

It is an arithmetic number, because the mean of its divisors is an integer number (661560051475).

Almost surely, 2^{1323120102949} is an apocalyptic number.

It is an amenable number.

1323120102949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323120102949 is an equidigital number, since it uses as much as digits as its factorization.

1323120102949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 1323120102949 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, one hundred two thousand, nine hundred forty-nine".