1159579 has 4 divisors (see below), whose sum is σ = 1161976. Its totient is φ = 1157184.

The previous prime is 1159577. The next prime is 1159583. The reversal of 1159579 is 9759511.

It is a happy number.

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 1159579 - 2¹ = 1159577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159577) 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 3 ways as a sum of consecutive naturals, for example, 189 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (290494).

2^1159579 is an apocalyptic number.

1159579 is a deficient number, since it is larger than the sum of its proper divisors (2397).

1159579 is an equidigital number, since it uses as much as digits as its factorization.

1159579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its digits is 14175, while the sum is 37.

The square root of 1159579 is about 1076.8374993470. The cubic root of 1159579 is about 105.0590446446.

It can be divided in two parts, 1159 and 579, that multiplied together give a triangular number (671061 = T₁₁₅₈).

The spelling of 1159579 in words is "one million, one hundred fifty-nine thousand, five hundred seventy-nine".