1122179855 has 8 divisors (see below), whose sum is σ = 1347346032. Its totient is φ = 897257088.

The previous prime is 1122179831. The next prime is 1122179887. The reversal of 1122179855 is 5589712211.

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 1122179855 - 2¹² = 1122175759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50549 + ... + 69278.

It is an arithmetic number, because the mean of its divisors is an integer number (168418254).

Almost surely, 2^1122179855 is an apocalyptic number.

1122179855 is a deficient number, since it is larger than the sum of its proper divisors (225166177).

1122179855 is a wasteful number, since it uses less digits than its factorization.

1122179855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121705.

The product of its digits is 50400, while the sum is 41.

The square root of 1122179855 is about 33498.9530433415. The cubic root of 1122179855 is about 1039.1721268493.

The spelling of 1122179855 in words is "one billion, one hundred twenty-two million, one hundred seventy-nine thousand, eight hundred fifty-five".