1120538555 has 8 divisors (see below), whose sum is σ = 1388022144. Its totient is φ = 867513600.

The previous prime is 1120538533. The next prime is 1120538593. The reversal of 1120538555 is 5558350211.

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

It is not a de Polignac number, because 1120538555 - 2²⁰ = 1119489979 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, 3614486 + ... + 3614795.

It is an arithmetic number, because the mean of its divisors is an integer number (173502768).

Almost surely, 2^1120538555 is an apocalyptic number.

1120538555 is a deficient number, since it is larger than the sum of its proper divisors (267483589).

1120538555 is an equidigital number, since it uses as much as digits as its factorization.

1120538555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229317.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 1120538555 is about 33474.4462986320. The cubic root of 1120538555 is about 1038.6652486771.

Adding to 1120538555 its reverse (5558350211), we get a palindrome (6678888766).

The spelling of 1120538555 in words is "one billion, one hundred twenty million, five hundred thirty-eight thousand, five hundred fifty-five".