1122159 has 8 divisors (see below), whose sum is σ = 1575040. Its totient is φ = 708696.

The previous prime is 1122157. The next prime is 1122179. The reversal of 1122159 is 9512211.

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

It is not a de Polignac number, because 1122159 - 2¹ = 1122157 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 (1122157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (196880).

2^1122159 is an apocalyptic number.

1122159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1122159 is a deficient number, since it is larger than the sum of its proper divisors (452881).

1122159 is a wasteful number, since it uses less digits than its factorization.

1122159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19709.

The product of its digits is 180, while the sum is 21.

The square root of 1122159 is about 1059.3200649473. The cubic root of 1122159 is about 103.9165689358.

The spelling of 1122159 in words is "one million, one hundred twenty-two thousand, one hundred fifty-nine".