1298579 has 4 divisors (see below), whose sum is σ = 1374984. Its totient is φ = 1222176.

The previous prime is 1298573. The next prime is 1298581. The reversal of 1298579 is 9758921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9758921 = 137 ⋅71233.

It is a cyclic number.

It is not a de Polignac number, because 1298579 - 2¹² = 1294483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298573) 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, 38177 + ... + 38210.

It is an arithmetic number, because the mean of its divisors is an integer number (343746).

2^1298579 is an apocalyptic number.

1298579 is a deficient number, since it is larger than the sum of its proper divisors (76405).

1298579 is an equidigital number, since it uses as much as digits as its factorization.

1298579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76404.

The product of its digits is 45360, while the sum is 41.

The square root of 1298579 is about 1139.5521049956. The cubic root of 1298579 is about 109.0995079291.

The spelling of 1298579 in words is "one million, two hundred ninety-eight thousand, five hundred seventy-nine".