1155079 has 4 divisors (see below), whose sum is σ = 1170976. Its totient is φ = 1139184.

The previous prime is 1155071. The next prime is 1155097. The reversal of 1155079 is 9705511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9705511 = 31 ⋅313081.

It is a cyclic number.

It is not a de Polignac number, because 1155079 - 2³ = 1155071 is a prime.

It is a Duffinian number.

1155079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7839 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (292744).

2^1155079 is an apocalyptic number.

1155079 is a deficient number, since it is larger than the sum of its proper divisors (15897).

1155079 is an equidigital number, since it uses as much as digits as its factorization.

1155079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15896.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1155079 is about 1074.7460165081. The cubic root of 1155079 is about 104.9229669302.

The spelling of 1155079 in words is "one million, one hundred fifty-five thousand, seventy-nine".