1122879179 has 4 divisors (see below), whose sum is σ = 1159101120. Its totient is φ = 1086657240.

The previous prime is 1122879169. The next prime is 1122879181. The reversal of 1122879179 is 9719782211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9719782211 = 71 ⋅136898341.

It is a cyclic number.

It is not a de Polignac number, because 1122879179 - 2²⁰ = 1121830603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122879139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18110924 + ... + 18110985.

It is an arithmetic number, because the mean of its divisors is an integer number (289775280).

Almost surely, 2^1122879179 is an apocalyptic number.

1122879179 is a deficient number, since it is larger than the sum of its proper divisors (36221941).

1122879179 is an equidigital number, since it uses as much as digits as its factorization.

1122879179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36221940.

The product of its digits is 127008, while the sum is 47.

The square root of 1122879179 is about 33509.3894155056. The cubic root of 1122879179 is about 1039.3879470074.

The spelling of 1122879179 in words is "one billion, one hundred twenty-two million, eight hundred seventy-nine thousand, one hundred seventy-nine".