1205270167 has 2 divisors, whose sum is σ = 1205270168. Its totient is φ = 1205270166.

The previous prime is 1205270117. The next prime is 1205270197. The reversal of 1205270167 is 7610725021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1205270167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205270107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602635083 + 602635084.

It is an arithmetic number, because the mean of its divisors is an integer number (602635084).

Almost surely, 2^1205270167 is an apocalyptic number.

1205270167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205270167 is an equidigital number, since it uses as much as digits as its factorization.

1205270167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1205270167 is about 34717.0011233689. The cubic root of 1205270167 is about 1064.2119607002.

Adding to 1205270167 its reverse (7610725021), we get a palindrome (8815995188).

The spelling of 1205270167 in words is "one billion, two hundred five million, two hundred seventy thousand, one hundred sixty-seven".