1260529 has 4 divisors (see below), whose sum is σ = 1263076. Its totient is φ = 1257984.

The previous prime is 1260509. The next prime is 1260541. The reversal of 1260529 is 9250621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 178929 + 1081600 = 423^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260529 - 2⁷ = 1260401 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 (1260509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (315769).

2^1260529 is an apocalyptic number.

It is an amenable number.

1260529 is a deficient number, since it is larger than the sum of its proper divisors (2547).

1260529 is an equidigital number, since it uses as much as digits as its factorization.

1260529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1260529 is about 1122.7328266333. The cubic root of 1260529 is about 108.0233431481.

The spelling of 1260529 in words is "one million, two hundred sixty thousand, five hundred twenty-nine".