1260260647 has 4 divisors (see below), whose sum is σ = 1268606896. Its totient is φ = 1251914400.

The previous prime is 1260260621. The next prime is 1260260653. The reversal of 1260260647 is 7460620621.

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

It is a cyclic number.

It is not a de Polignac number, because 1260260647 - 2¹¹ = 1260258599 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 (1260260347) 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, 4172898 + ... + 4173199.

It is an arithmetic number, because the mean of its divisors is an integer number (317151724).

Almost surely, 2^1260260647 is an apocalyptic number.

1260260647 is a deficient number, since it is larger than the sum of its proper divisors (8346249).

1260260647 is an equidigital number, since it uses as much as digits as its factorization.

1260260647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346248.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1260260647 is about 35500.1499574298. The cubic root of 1260260647 is about 1080.1567693667.

The spelling of 1260260647 in words is "one billion, two hundred sixty million, two hundred sixty thousand, six hundred forty-seven".