1120555 has 8 divisors (see below), whose sum is σ = 1423872. Its totient is φ = 843648.

The previous prime is 1120549. The next prime is 1120573. The reversal of 1120555 is 5550211.

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 1120555 - 2³ = 1120547 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, 6507 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (177984).

2^1120555 is an apocalyptic number.

1120555 is a deficient number, since it is larger than the sum of its proper divisors (303317).

1120555 is a wasteful number, since it uses less digits than its factorization.

1120555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1120555 is about 1058.5627048031. The cubic root of 1120555 is about 103.8670329795.

Adding to 1120555 its reverse (5550211), we get a palindrome (6670766).

The spelling of 1120555 in words is "one million, one hundred twenty thousand, five hundred fifty-five".