167422121 has 2 divisors, whose sum is σ = 167422122. Its totient is φ = 167422120.

The previous prime is 167422111. The next prime is 167422127. The reversal of 167422121 is 121224761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147744025 + 19678096 = 12155^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 167422121 - 2¹⁴ = 167405737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167422127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83711060 + 83711061.

It is an arithmetic number, because the mean of its divisors is an integer number (83711061).

Almost surely, 2^167422121 is an apocalyptic number.

It is an amenable number.

167422121 is a deficient number, since it is larger than the sum of its proper divisors (1).

167422121 is an equidigital number, since it uses as much as digits as its factorization.

167422121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 167422121 is about 12939.1700274786. The cubic root of 167422121 is about 551.1514400880.

Adding to 167422121 its reverse (121224761), we get a palindrome (288646882).

The spelling of 167422121 in words is "one hundred sixty-seven million, four hundred twenty-two thousand, one hundred twenty-one".