1260478507 has 16 divisors (see below), whose sum is σ = 1319535360. Its totient is φ = 1202688000.

The previous prime is 1260478493. The next prime is 1260478589. The reversal of 1260478507 is 7058740621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260478507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1260478507.

It is not an unprimeable number, because it can be changed into a prime (1260478607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786507 + ... + 788107.

It is an arithmetic number, because the mean of its divisors is an integer number (82470960).

Almost surely, 2^1260478507 is an apocalyptic number.

1260478507 is a deficient number, since it is larger than the sum of its proper divisors (59056853).

1260478507 is a wasteful number, since it uses less digits than its factorization.

1260478507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 1260478507 is about 35503.2182625745. The cubic root of 1260478507 is about 1080.2190076546.

The spelling of 1260478507 in words is "one billion, two hundred sixty million, four hundred seventy-eight thousand, five hundred seven".