1121454055 has 4 divisors (see below), whose sum is σ = 1345744872. Its totient is φ = 897163240.

The previous prime is 1121454029. The next prime is 1121454067. The reversal of 1121454055 is 5504541211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5504541211 = 13 ⋅423426247.

It is not a de Polignac number, because 1121454055 - 2²⁹ = 584583143 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 3 ways as a sum of consecutive naturals, for example, 112145401 + ... + 112145410.

It is an arithmetic number, because the mean of its divisors is an integer number (336436218).

Almost surely, 2^1121454055 is an apocalyptic number.

1121454055 is a deficient number, since it is larger than the sum of its proper divisors (224290817).

1121454055 is an equidigital number, since it uses as much as digits as its factorization.

1121454055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224290816.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1121454055 is about 33488.1181167291. The cubic root of 1121454055 is about 1038.9480410247.

Adding to 1121454055 its reverse (5504541211), we get a palindrome (6625995266).

The spelling of 1121454055 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, fifty-five".