1320183929 has 2 divisors, whose sum is σ = 1320183930. Its totient is φ = 1320183928.

The previous prime is 1320183889. The next prime is 1320183937. The reversal of 1320183929 is 9293810231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314787600 + 5396329 = 36260^2 + 2323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320183929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320183892 and 1320183901.

It is not a weakly prime, because it can be changed into another prime (1320183959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660091964 + 660091965.

It is an arithmetic number, because the mean of its divisors is an integer number (660091965).

Almost surely, 2^1320183929 is an apocalyptic number.

It is an amenable number.

1320183929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320183929 is an equidigital number, since it uses as much as digits as its factorization.

1320183929 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 38.

The square root of 1320183929 is about 36334.3354005547. The cubic root of 1320183929 is about 1097.0122583720.

The spelling of 1320183929 in words is "one billion, three hundred twenty million, one hundred eighty-three thousand, nine hundred twenty-nine".