1260161267 has 2 divisors, whose sum is σ = 1260161268. Its totient is φ = 1260161266.

The previous prime is 1260161233. The next prime is 1260161291. The reversal of 1260161267 is 7621610621.

It is a strong prime.

It is an emirp because it is prime and its reverse (7621610621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260161267 - 2⁸ = 1260161011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260161297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630080633 + 630080634.

It is an arithmetic number, because the mean of its divisors is an integer number (630080634).

Almost surely, 2^1260161267 is an apocalyptic number.

1260161267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260161267 is an equidigital number, since it uses as much as digits as its factorization.

1260161267 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 32.

The square root of 1260161267 is about 35498.7502174372. The cubic root of 1260161267 is about 1080.1283760863.

Adding to 1260161267 its reverse (7621610621), we get a palindrome (8881771888).

The spelling of 1260161267 in words is "one billion, two hundred sixty million, one hundred sixty-one thousand, two hundred sixty-seven".