1260478671 has 8 divisors (see below), whose sum is σ = 1696955520. Its totient is φ = 832160472.

The previous prime is 1260478669. The next prime is 1260478679. The reversal of 1260478671 is 1768740621.

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

It is not a de Polignac number, because 1260478671 - 2¹ = 1260478669 is a prime.

It is a super-3 number, since 3×1260478671³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260478679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039301 + ... + 2039918.

It is an arithmetic number, because the mean of its divisors is an integer number (212119440).

Almost surely, 2^1260478671 is an apocalyptic number.

1260478671 is a deficient number, since it is larger than the sum of its proper divisors (436476849).

1260478671 is a wasteful number, since it uses less digits than its factorization.

1260478671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079325.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1260478671 is about 35503.2205722241. The cubic root of 1260478671 is about 1080.2190545035.

The spelling of 1260478671 in words is "one billion, two hundred sixty million, four hundred seventy-eight thousand, six hundred seventy-one".