1260539067 has 4 divisors (see below), whose sum is σ = 1680718760. Its totient is φ = 840359376.

The previous prime is 1260539047. The next prime is 1260539123. The reversal of 1260539067 is 7609350621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7609350621 = 3 ⋅2536450207.

It is not a de Polignac number, because 1260539067 - 2¹⁰ = 1260538043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260539047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210089842 + ... + 210089847.

It is an arithmetic number, because the mean of its divisors is an integer number (420179690).

Almost surely, 2^1260539067 is an apocalyptic number.

1260539067 is a deficient number, since it is larger than the sum of its proper divisors (420179693).

1260539067 is an equidigital number, since it uses as much as digits as its factorization.

1260539067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420179692.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1260539067 is about 35504.0711327588. The cubic root of 1260539067 is about 1080.2363071736.

Adding to 1260539067 its reverse (7609350621), we get a palindrome (8869889688).

The spelling of 1260539067 in words is "one billion, two hundred sixty million, five hundred thirty-nine thousand, sixty-seven".