1115159 has 8 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 1067200.

The previous prime is 1115131. The next prime is 1115189. The reversal of 1115159 is 9515111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115159 - 2¹⁶ = 1049623 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 (1115189) 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 7 ways as a sum of consecutive naturals, for example, 2189 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2^1115159 is an apocalyptic number.

1115159 is a deficient number, since it is larger than the sum of its proper divisors (49081).

1115159 is an equidigital number, since it uses as much as digits as its factorization.

1115159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its digits is 225, while the sum is 23.

The square root of 1115159 is about 1056.0108900954. The cubic root of 1115159 is about 103.7000417531.

Subtracting from 1115159 its sum of digits (23), we obtain a square (1115136 = 1056²).

The spelling of 1115159 in words is "one million, one hundred fifteen thousand, one hundred fifty-nine".