1123159 has 8 divisors (see below), whose sum is σ = 1198080. Its totient is φ = 1050456.

The previous prime is 1123151. The next prime is 1123181. The reversal of 1123159 is 9513211.

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

It is not a de Polignac number, because 1123159 - 2³ = 1123151 is a prime.

It is a super-2 number, since 2×1123159² = 2522972278562, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2^1123159 is an apocalyptic number.

1123159 is a deficient number, since it is larger than the sum of its proper divisors (74921).

1123159 is a wasteful number, since it uses less digits than its factorization.

1123159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 270, while the sum is 22.

The square root of 1123159 is about 1059.7919607168. The cubic root of 1123159 is about 103.9474278177.

The spelling of 1123159 in words is "one million, one hundred twenty-three thousand, one hundred fifty-nine".