1122845555 has 8 divisors (see below), whose sum is σ = 1451062032. Its totient is φ = 829178208.

The previous prime is 1122845501. The next prime is 1122845569. The reversal of 1122845555 is 5555482211.

It is a happy number.

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 1122845555 - 2⁶ = 1122845491 is a prime.

It is a Duffinian 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, 8637209 + ... + 8637338.

It is an arithmetic number, because the mean of its divisors is an integer number (181382754).

Almost surely, 2^1122845555 is an apocalyptic number.

1122845555 is a deficient number, since it is larger than the sum of its proper divisors (328216477).

1122845555 is a wasteful number, since it uses less digits than its factorization.

1122845555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274565.

The product of its digits is 80000, while the sum is 38.

The square root of 1122845555 is about 33508.8877016233. The cubic root of 1122845555 is about 1039.3775722702.

The spelling of 1122845555 in words is "one billion, one hundred twenty-two million, eight hundred forty-five thousand, five hundred fifty-five".