1130123255 has 4 divisors (see below), whose sum is σ = 1356147912. Its totient is φ = 904098600.

The previous prime is 1130123251. The next prime is 1130123261. The reversal of 1130123255 is 5523210311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1130123255 - 2² = 1130123251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130123255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130123251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113012321 + ... + 113012330.

It is an arithmetic number, because the mean of its divisors is an integer number (339036978).

Almost surely, 2^1130123255 is an apocalyptic number.

1130123255 is a deficient number, since it is larger than the sum of its proper divisors (226024657).

1130123255 is an equidigital number, since it uses as much as digits as its factorization.

1130123255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226024656.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1130123255 is about 33617.3058855108. The cubic root of 1130123255 is about 1041.6183061353.

Adding to 1130123255 its reverse (5523210311), we get a palindrome (6653333566).

The spelling of 1130123255 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, two hundred fifty-five".