1205211167 has 2 divisors, whose sum is σ = 1205211168. Its totient is φ = 1205211166.

The previous prime is 1205211071. The next prime is 1205211187. The reversal of 1205211167 is 7611125021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1205211167 - 2¹⁶ = 1205145631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205211187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602605583 + 602605584.

It is an arithmetic number, because the mean of its divisors is an integer number (602605584).

Almost surely, 2^1205211167 is an apocalyptic number.

1205211167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205211167 is an equidigital number, since it uses as much as digits as its factorization.

1205211167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1205211167 is about 34716.1513851982. The cubic root of 1205211167 is about 1064.1945954289.

Adding to 1205211167 its reverse (7611125021), we get a palindrome (8816336188).

The spelling of 1205211167 in words is "one billion, two hundred five million, two hundred eleven thousand, one hundred sixty-seven".