1320923119 has 2 divisors, whose sum is σ = 1320923120. Its totient is φ = 1320923118.

The previous prime is 1320923057. The next prime is 1320923141. The reversal of 1320923119 is 9113290231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320923119 - 2⁷ = 1320922991 is a prime.

It is a super-2 number, since 2×1320923119² = 3489675772617376322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320923179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660461559 + 660461560.

It is an arithmetic number, because the mean of its divisors is an integer number (660461560).

Almost surely, 2^1320923119 is an apocalyptic number.

1320923119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320923119 is an equidigital number, since it uses as much as digits as its factorization.

1320923119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1320923119 is about 36344.5060359884. The cubic root of 1320923119 is about 1097.2169644930.

The spelling of 1320923119 in words is "one billion, three hundred twenty million, nine hundred twenty-three thousand, one hundred nineteen".