1260563071 has 4 divisors (see below), whose sum is σ = 1260959832. Its totient is φ = 1260166312.

The previous prime is 1260563069. The next prime is 1260563099. The reversal of 1260563071 is 1703650621.

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 1260563071 - 2¹ = 1260563069 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 (1260563021) 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 3 ways as a sum of consecutive naturals, for example, 193576 + ... + 199981.

It is an arithmetic number, because the mean of its divisors is an integer number (315239958).

Almost surely, 2^1260563071 is an apocalyptic number.

1260563071 is a deficient number, since it is larger than the sum of its proper divisors (396761).

1260563071 is an equidigital number, since it uses as much as digits as its factorization.

1260563071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396760.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1260563071 is about 35504.4091768896. The cubic root of 1260563071 is about 1080.2431639828.

The spelling of 1260563071 in words is "one billion, two hundred sixty million, five hundred sixty-three thousand, seventy-one".