1320203167 has 2 divisors, whose sum is σ = 1320203168. Its totient is φ = 1320203166.

The previous prime is 1320203149. The next prime is 1320203191. The reversal of 1320203167 is 7613020231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320203167 - 2¹⁹ = 1319678879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320201167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660101583 + 660101584.

It is an arithmetic number, because the mean of its divisors is an integer number (660101584).

Almost surely, 2^1320203167 is an apocalyptic number.

1320203167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320203167 is an equidigital number, since it uses as much as digits as its factorization.

1320203167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1320203167 is about 36334.6001354081. The cubic root of 1320203167 is about 1097.0175869778.

Adding to 1320203167 its reverse (7613020231), we get a palindrome (8933223398).

The spelling of 1320203167 in words is "one billion, three hundred twenty million, two hundred three thousand, one hundred sixty-seven".