1121040055 has 8 divisors (see below), whose sum is σ = 1345596912. Its totient is φ = 896599488.

The previous prime is 1121040043. The next prime is 1121040059. The reversal of 1121040055 is 5500401211.

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 1121040055 - 2¹⁵ = 1121007287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121040059) 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 7 ways as a sum of consecutive naturals, for example, 6229 + ... + 47758.

It is an arithmetic number, because the mean of its divisors is an integer number (168199614).

Almost surely, 2^1121040055 is an apocalyptic number.

1121040055 is a deficient number, since it is larger than the sum of its proper divisors (224556857).

1121040055 is an equidigital number, since it uses as much as digits as its factorization.

1121040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58145.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1121040055 is about 33481.9362492673. The cubic root of 1121040055 is about 1038.8201780279.

Adding to 1121040055 its reverse (5500401211), we get a palindrome (6621441266).

The spelling of 1121040055 in words is "one billion, one hundred twenty-one million, forty thousand, fifty-five".