1118159 has 4 divisors (see below), whose sum is σ = 1277904. Its totient is φ = 958416.

The previous prime is 1118149. The next prime is 1118189. The reversal of 1118159 is 9518111.

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 1118159 - 2¹² = 1114063 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 (1118149) 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, 79862 + ... + 79875.

It is an arithmetic number, because the mean of its divisors is an integer number (319476).

2^1118159 is an apocalyptic number.

1118159 is a deficient number, since it is larger than the sum of its proper divisors (159745).

1118159 is an equidigital number, since it uses as much as digits as its factorization.

1118159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159744.

The product of its digits is 360, while the sum is 26.

The square root of 1118159 is about 1057.4303759586. The cubic root of 1118159 is about 103.7929497503.

The spelling of 1118159 in words is "one million, one hundred eighteen thousand, one hundred fifty-nine".