320121167 has 2 divisors, whose sum is σ = 320121168. Its totient is φ = 320121166.

The previous prime is 320121149. The next prime is 320121181. The reversal of 320121167 is 761121023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320121167 - 2¹² = 320117071 is a prime.

It is a super-2 number, since 2×320121167² = 204955123122883778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320121127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160060583 + 160060584.

It is an arithmetic number, because the mean of its divisors is an integer number (160060584).

Almost surely, 2^320121167 is an apocalyptic number.

320121167 is a deficient number, since it is larger than the sum of its proper divisors (1).

320121167 is an equidigital number, since it uses as much as digits as its factorization.

320121167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 320121167 is about 17891.9302200741. The cubic root of 320121167 is about 684.0766980499.

The spelling of 320121167 in words is "three hundred twenty million, one hundred twenty-one thousand, one hundred sixty-seven".