1260571 has 6 divisors (see below), whose sum is σ = 1365180. Its totient is φ = 1163448.

The previous prime is 1260569. The next prime is 1260577. The reversal of 1260571 is 1750621.

It is not a de Polignac number, because 1260571 - 2¹ = 1260569 is a prime.

It is a Duffinian number.

1260571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1260577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3561 + ... + 3898.

It is an arithmetic number, because the mean of its divisors is an integer number (227530).

2^1260571 is an apocalyptic number.

1260571 is a deficient number, since it is larger than the sum of its proper divisors (104609).

1260571 is an equidigital number, since it uses as much as digits as its factorization.

1260571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7472 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1260571 is about 1122.7515308384. The cubic root of 1260571 is about 108.0245428905.

The spelling of 1260571 in words is "one million, two hundred sixty thousand, five hundred seventy-one".