1306120561167 has 4 divisors (see below), whose sum is σ = 1741494081560. Its totient is φ = 870747040776.

The previous prime is 1306120561129. The next prime is 1306120561177. The reversal of 1306120561167 is 7611650216031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1306120561167 - 2⁸ = 1306120560911 is a prime.

It is a super-3 number, since 3×1306120561167³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306120561177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217686760192 + ... + 217686760197.

It is an arithmetic number, because the mean of its divisors is an integer number (435373520390).

Almost surely, 2^{1306120561167} is an apocalyptic number.

1306120561167 is a deficient number, since it is larger than the sum of its proper divisors (435373520393).

1306120561167 is an equidigital number, since it uses as much as digits as its factorization.

1306120561167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435373520392.

The product of its (nonzero) digits is 45360, while the sum is 39.

Adding to 1306120561167 its reverse (7611650216031), we get a palindrome (8917770777198).

The spelling of 1306120561167 in words is "one trillion, three hundred six billion, one hundred twenty million, five hundred sixty-one thousand, one hundred sixty-seven".