1260215567 has 8 divisors (see below), whose sum is σ = 1365284256. Its totient is φ = 1156308192.

The previous prime is 1260215557. The next prime is 1260215569. The reversal of 1260215567 is 7655120621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1260215567 - 2¹² = 1260211471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260215569) 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 7 ways as a sum of consecutive naturals, for example, 288068 + ... + 292409.

It is an arithmetic number, because the mean of its divisors is an integer number (170660532).

Almost surely, 2^1260215567 is an apocalyptic number.

1260215567 is a deficient number, since it is larger than the sum of its proper divisors (105068689).

1260215567 is a wasteful number, since it uses less digits than its factorization.

1260215567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580657.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1260215567 is about 35499.5150248563. The cubic root of 1260215567 is about 1080.1438900077.

The spelling of 1260215567 in words is "one billion, two hundred sixty million, two hundred fifteen thousand, five hundred sixty-seven".