1161204367 has 2 divisors, whose sum is σ = 1161204368. Its totient is φ = 1161204366.

The previous prime is 1161204349. The next prime is 1161204409. The reversal of 1161204367 is 7634021611.

It is a weak prime.

It is an emirp because it is prime and its reverse (7634021611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161204367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161204347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580602183 + 580602184.

It is an arithmetic number, because the mean of its divisors is an integer number (580602184).

Almost surely, 2^1161204367 is an apocalyptic number.

1161204367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161204367 is an equidigital number, since it uses as much as digits as its factorization.

1161204367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1161204367 is about 34076.4488613470. The cubic root of 1161204367 is about 1051.0810836582.

Adding to 1161204367 its reverse (7634021611), we get a palindrome (8795225978).

The spelling of 1161204367 in words is "one billion, one hundred sixty-one million, two hundred four thousand, three hundred sixty-seven".