1260579 has 4 divisors (see below), whose sum is σ = 1680776. Its totient is φ = 840384.

The previous prime is 1260577. The next prime is 1260583. The reversal of 1260579 is 9750621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9750621 = 3 ⋅3250207.

It is not a de Polignac number, because 1260579 - 2¹ = 1260577 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260577) 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, 210094 + ... + 210099.

It is an arithmetic number, because the mean of its divisors is an integer number (420194).

2^1260579 is an apocalyptic number.

1260579 is a deficient number, since it is larger than the sum of its proper divisors (420197).

1260579 is an equidigital number, since it uses as much as digits as its factorization.

1260579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420196.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1260579 is about 1122.7550935088. The cubic root of 1260579 is about 108.0247714098.

The spelling of 1260579 in words is "one million, two hundred sixty thousand, five hundred seventy-nine".