1120405255 has 16 divisors (see below), whose sum is σ = 1405440000. Its totient is φ = 856421280.

The previous prime is 1120405249. The next prime is 1120405259. The reversal of 1120405255 is 5525040211.

It is not a de Polignac number, because 1120405255 - 2⁷ = 1120405127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120405259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33505 + ... + 57994.

It is an arithmetic number, because the mean of its divisors is an integer number (87840000).

Almost surely, 2^1120405255 is an apocalyptic number.

1120405255 is a deficient number, since it is larger than the sum of its proper divisors (285034745).

1120405255 is an equidigital number, since it uses as much as digits as its factorization.

1120405255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91614.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1120405255 is about 33472.4551683918. The cubic root of 1120405255 is about 1038.6240602778.

Adding to 1120405255 its reverse (5525040211), we get a palindrome (6645445466).

The spelling of 1120405255 in words is "one billion, one hundred twenty million, four hundred five thousand, two hundred fifty-five".